Keratella quadrata (Müller, 1786)
type: TaxonName
type: Label
aphia ID: 134992
scientific name ID: 134992
scientific name ID: urn:lsid:marinespecies.org:taxname:134992
scientific name: Keratella quadrata
authorship: (Müller, 1786)
scientific name authorship: (Müller, 1786)
full scientific name: Keratella quadrata (Müller, 1786)
scientific name: Keratella quadrata (Müller, 1786)
bibliographic citation: Jersabek, C. D.; Segers H.; Leitner M. (2026). Rotifer World Catalog (RWC). Keratella quadrata (Müller, 1786). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=134992 on 2026-02-11
license: https://creativecommons.org/licenses/by/4.0/
is part of: https://marineinfo.org/id/dataset/632
is part of: https://marineinfo.org/id/dataset/82
is part of: https://marineinfo.org/id/dataset/3201
is part of: https://marineinfo.org/id/dataset/3178
is part of: https://marineinfo.org/id/dataset/3122
is part of: https://marineinfo.org/id/dataset/3123
is part of: https://marineinfo.org/id/dataset/8131
is part of: https://marineinfo.org/id/dataset/5816
is part of: https://marineinfo.org/id/dataset/8923
has status: accepted
is of rank: Species
taxon rank: Species
source: Über die Entwickelung und Lebensdauer der Infusionsthiere; nebst ferneren Beiträgen zu einer Vergleichung ihrer organischen Systeme.
source: Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur.
source: Note on Brachionus quadratus, a new rotifer.
source: Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit.
source: A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties.
source: Die Rotatorien und Gastrotrichen der Umgebung von Plön.
source: Rotatoria. Die Rädertiere Mitteleuropas.
source: Two new Keratella subspecies from Canada.
source: Die Planktonrotatorien des Motalaström - zur Taxonomie und Ökologie der Planktonrotatorien.
source: K posnaniu fauni kolovratok ozera Baikal.
source: Reka Civil'i ee obitateli. Мaterialy k izucheniju presnovodnoj fauny Kazanskoj gubernii.
source: Die Rotatorienfauna des Müggelsees.
source: Über zwei baltische Varietäten der Gattung Anurea.
source: Les rotateurs du Canton Neuchatel.
source: Improving species‐based area protection in Antarctica.
source: Onderzoek naar de gevolgen van het Sigmaplan, baggeractiviteiten en havenuitbreiding in de Zeeschelde op het milieu. Geïntegreerd eindverslag van het onderzoek verricht in 2013
source: https://aphia.org/id/source/1388
source: Annotated checklist of the rotifers (Phylum Rotifera), with notes on nomenclature, taxonomy and distribution.
source: Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta.
source: Integrated Taxonomic Information System (ITIS)
has synonym: https://aphia.org/id/taxname/391901
has synonym: https://aphia.org/id/taxname/1800826
has synonym: https://aphia.org/id/taxname/1803950
has synonym: https://aphia.org/id/taxname/1803855
has synonym: https://aphia.org/id/taxname/1801492
has synonym: https://aphia.org/id/taxname/1803415
has synonym: https://aphia.org/id/taxname/1798393
has synonym: https://aphia.org/id/taxname/1799639
has synonym: https://aphia.org/id/taxname/1800888
has synonym: https://aphia.org/id/taxname/1801127
has synonym: https://aphia.org/id/taxname/1800889
has synonym: https://aphia.org/id/taxname/1801058
has synonym: https://aphia.org/id/taxname/1801026
has synonym: https://aphia.org/id/taxname/378585
has synonym: https://aphia.org/id/taxname/1800756
has synonym: https://aphia.org/id/taxname/1837595
has synonym: https://aphia.org/id/taxname/1801164
has synonym: https://aphia.org/id/taxname/1801208
has synonym: https://aphia.org/id/taxname/1801165
denotes: Taxon
  type: Concept
  has accepted name: Keratella quadrata (Müller, 1786)
  has habitat: fresh
  has habitat: brackish
  has synonym name: https://aphia.org/id/taxname/391901
  has synonym name: https://aphia.org/id/taxname/1800826
  has synonym name: https://aphia.org/id/taxname/1803950
  has synonym name: https://aphia.org/id/taxname/1803855
  has synonym name: https://aphia.org/id/taxname/1801492
  has synonym name: https://aphia.org/id/taxname/1803415
  has synonym name: https://aphia.org/id/taxname/1798393
  has synonym name: https://aphia.org/id/taxname/1799639
  has synonym name: https://aphia.org/id/taxname/1800888
  has synonym name: https://aphia.org/id/taxname/1801127
  has synonym name: https://aphia.org/id/taxname/1800889
  has synonym name: https://aphia.org/id/taxname/1801058
  has synonym name: https://aphia.org/id/taxname/1801026
  has synonym name: https://aphia.org/id/taxname/378585
  has synonym name: https://aphia.org/id/taxname/1800756
  has synonym name: https://aphia.org/id/taxname/1837595
  has synonym name: https://aphia.org/id/taxname/1801164
  has synonym name: https://aphia.org/id/taxname/1801208
  has synonym name: https://aphia.org/id/taxname/1801165
  is subject of: Anuraea aculeata - Original description image
  is subject of: Anuraea aculeata var. divergens - Original description image
  is subject of: Anuraea quadridentata - Original description image
  is subject of: Keratella quadrata - Original description image
  is subject of: Keratella quadrata f. araneosa - Original description image
  is subject of: Keratella quadrata f. baicalensis - Original description image
  is subject of: Keratella quadrata f. klementi - Original description image
  is subject of: Keratella quadrata f. reticulata - Original description image
  is subject of: Keratella quadrata neali - Original description image
  is subject of: Keratella quadrata var. adnata - Original description image
  is subject of: Keratella quadrata var. frenzeli - Original description image
  is subject of: Keratella quadrata var. longispina - Original description image
  is subject of: Keratella quadrata var. platei - Original description image
  is subject of: Anuraea aculeata
  is subject of: Anuraea aculeata var. divergens
  is subject of: Keratella quadrata

accepted
type: Concept
type: Status
definition: Valid name (ICZN) or name considered to be taxonomically correct (ICBN)
taxonomic status: accepted
nomenclatural status: valid

Species
type: Concept
type: Rank

Über die Entwickelung und Lebensdauer der Infusionsthiere; nebst ferneren Beiträgen zu einer Vergleichung ihrer organischen Systeme.
type: Source
type: BibliographicResource
bibliographic citation: Ehrenberg, C.G. (1832). Über die Entwickelung und Lebensdauer der Infusionsthiere; nebst ferneren Beiträgen zu einer Vergleichung ihrer organischen Systeme. Abhandlungen der Königlichen Akademie Wissenschaften zu Berlin, Physikalische Klasse. 1831: 1-154.
is accessible for free: 1
date published: 1832

Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur.
type: Source
type: BibliographicResource
bibliographic citation: Ehrenberg, C. G. (1838). Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur. Leipzig. Verlag von Leopold Voss, 547, pl.1-64
source: bhl.title.58475
is accessible for free: 1
date published: 1838

Note on Brachionus quadratus, a new rotifer.
type: Source
type: BibliographicResource
bibliographic citation: Rousselet, C. F. (1889). Note on Brachionus quadratus, a new rotifer. Journal of the Quekett Microscopical Club, (ser. 2) 4, 32-33, pl.4
date published: 1889

Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit.
type: Source
type: BibliographicResource
bibliographic citation: Müller, O. F. (1786). Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit. Havniæ, 367, pl.1-50
source: bhl.title.129933
date published: 1786

A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties.
type: Source
type: BibliographicResource
bibliographic citation: Ahlstrom, E. H. (1943). A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties. Bulletin of the American Museum of Natural History, 80, 411-457, pl.35-42
date published: 1943

Die Rotatorien und Gastrotrichen der Umgebung von Plön.
type: Source
type: BibliographicResource
bibliographic citation: Voigt, M. (1902). Die Rotatorien und Gastrotrichen der Umgebung von Plön. Zoologischer Anzeiger, 25, 673-681
date published: 1902

Rotatoria. Die Rädertiere Mitteleuropas.
type: Source
type: BibliographicResource
bibliographic citation: Voigt, M. (1957). Rotatoria. Die Rädertiere Mitteleuropas. Berlin-Nikolassee. Gebrüder Borntraeger, 2, 508, 115 pls.
date published: 1957

Two new Keratella subspecies from Canada.
type: Source
type: BibliographicResource
bibliographic citation: Bērziņš, B. (1961). Two new Keratella subspecies from Canada. Journal of the Quekett Microscopical Club, (ser. 4) 5, 437-438
date published: 1961

Die Planktonrotatorien des Motalaström - zur Taxonomie und Ökologie der Planktonrotatorien.
type: Source
type: BibliographicResource
bibliographic citation: Carlin, B. (1943). Die Planktonrotatorien des Motalaström - zur Taxonomie und Ökologie der Planktonrotatorien. Meddelanden Lunds Universitets Limnologiska Institution, 5, 1-256, pl.1-4
date published: 1943

K posnaniu fauni kolovratok ozera Baikal.
type: Source
type: BibliographicResource
bibliographic citation: Gaigalas, K. S. (1958). K posnaniu fauni kolovratok ozera Baikal. Izvestiia biologo-geografisheskogo Nauchno-Issledovatel'skogo Instituta pri Gosudarstvennom Irkutskom Universitete, 17, 103-143
date published: 1958

Reka Civil'i ee obitateli. Мaterialy k izucheniju presnovodnoj fauny Kazanskoj gubernii.
type: Source
type: BibliographicResource
bibliographic citation: Morozov, A. V. (1915). Reka Civil'i ee obitateli. Мaterialy k izucheniju presnovodnoj fauny Kazanskoj gubernii. Trudy Obshchestva jestestvoispytatelej pri Imperatorskom Kazanskom Universitete, 47 (3), 1-194
date published: 1915

Die Rotatorienfauna des Müggelsees.
type: Source
type: BibliographicResource
bibliographic citation: Eckstein, K. (1895). Die Rotatorienfauna des Müggelsees. Zeitschrift für Fischerei und deren Hilfswissenschaften, 3, 261-266
date published: 1895

Über zwei baltische Varietäten der Gattung Anurea.
type: Source
type: BibliographicResource
bibliographic citation: Jägerskiöld, L. A. (1894). Über zwei baltische Varietäten der Gattung Anurea. Zoologischer Anzeiger, 17, 17-20
date published: 1894

Les rotateurs du Canton Neuchatel.
type: Source
type: BibliographicResource
bibliographic citation: Thiébaud, M. (1912). Les rotateurs du Canton Neuchatel. Bulletin de la Société Neuchâteloise des Sciences Naturelles, 38, 1-16
date published: 1912

Improving species‐based area protection in Antarctica.
type: Source
type: BibliographicResource
bibliographic citation: Phillips, L.M., R.I. Leihy & S.L. Chown. (2022). Improving species‐based area protection in Antarctica. Conservation Biology. 36(4): e13885.Aug 2022.
source: cobi.13885
date published: 2022

Onderzoek naar de gevolgen van het Sigmaplan, baggeractiviteiten en havenuitbreiding in de Zeeschelde op het milieu. Geïntegreerd eindverslag van het onderzoek verricht in 2013
type: Source
type: BibliographicResource
bibliographic citation: Maris, T.; Oosterlee, L.; Meire, P. (2015). Onderzoek naar de gevolgen van het Sigmaplan, baggeractiviteiten en havenuitbreiding in de Zeeschelde op het milieu. Geïntegreerd eindverslag van het onderzoek verricht in 2013. ECOBE 015-R173. Universiteit Antwerpen: Antwerpen.
source: https://marineinfo.org/id/publication/245718
date published: 2015

https://aphia.org/id/source/1388
type: Source
type: BibliographicResource
bibliographic citation: O'Reilly, M. (2001). Rotifera, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 149-151
source: https://marineinfo.org/id/publication/61227
is accessible for free: 1
date published: 2001

Annotated checklist of the rotifers (Phylum Rotifera), with notes on nomenclature, taxonomy and distribution.
type: Source
type: BibliographicResource
bibliographic citation: Segers, H. (2007). Annotated checklist of the rotifers (Phylum Rotifera), with notes on nomenclature, taxonomy and distribution. Zootaxa, 1564, 1-104
source: zootaxa.1564.1.1
date published: 2007

Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta.
type: Source
type: BibliographicResource
bibliographic citation: Koste, W. (1978). Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta. Berlin, Stuttgart. Gebrüder Borntraeger, 2, 673, 234 pls.
date published: 1978

Integrated Taxonomic Information System (ITIS)
type: Source
type: BibliographicResource
bibliographic citation: Integrated Taxonomic Information System (ITIS).
source: https://marineinfo.org/id/dataset/49
is accessible for free: 1

Anuraea aculeata - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/391901
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:49.940

Anuraea aculeata var. divergens - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800826
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:51.190

Anuraea quadridentata - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1798393
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:55.267

Keratella quadrata - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:56.973

Keratella quadrata f. araneosa - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:00.350

Keratella quadrata f. baicalensis - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801127
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:01.070

Keratella quadrata f. klementi - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800889
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:02.647

Keratella quadrata f. reticulata - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:04.083

Keratella quadrata neali - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801026
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:04.913

Keratella quadrata var. adnata - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800756
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:05.210

Keratella quadrata var. frenzeli - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:07.630

Keratella quadrata var. longispina - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801208
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license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:08.397

Keratella quadrata var. platei - Original description image
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801165
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:09.430

Anuraea aculeata
type: ImageObject
subject: Taxon
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  is denoted by: https://aphia.org/id/taxname/391901
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:46.720

Anuraea aculeata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/391901
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:46.813

Anuraea aculeata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/391901
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:47.000

Anuraea aculeata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/391901
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:35:47.110

Anuraea aculeata
type: ImageObject
subject: Taxon
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format: JPEG
created: 2025-05-15 15:35:47.343

Anuraea aculeata
type: ImageObject
subject: Taxon
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format: JPEG
created: 2025-05-15 15:35:47.563

Anuraea aculeata
type: ImageObject
subject: Taxon
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format: JPEG
created: 2025-05-15 15:35:47.703

Anuraea aculeata
type: ImageObject
subject: Taxon
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format: JPEG
created: 2025-05-15 15:35:47.860

Anuraea aculeata
type: ImageObject
subject: Taxon
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created: 2025-05-15 15:35:48.017

Anuraea aculeata
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created: 2025-05-15 15:35:48.377

Anuraea aculeata
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created: 2025-05-15 15:35:48.627

Anuraea aculeata
type: ImageObject
subject: Taxon
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created: 2025-05-15 15:35:48.843

Anuraea aculeata
type: ImageObject
subject: Taxon
  type: Concept
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created: 2025-05-15 15:35:49.033

Anuraea aculeata
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created: 2025-05-15 15:35:49.313

Anuraea aculeata
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created: 2025-05-15 15:35:49.703

Anuraea aculeata var. divergens
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format: JPEG
created: 2025-05-15 15:35:51.000

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:44.363

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
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license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:44.957

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:45.677

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:46.147

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:46.300

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:46.443

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:46.833

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:47.300

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:48.050

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:48.287

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:48.710

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:49.067

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:49.363

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:49.850

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: (?) sub Anuraea aculeata var. brevispina Gosse (syn. K. testudo (Ehrenberg))
created: 2025-05-15 15:58:50.113

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:50.817

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: variety? sub K. hiemalis Carlin, 1943
created: 2025-05-15 15:58:51.333

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:51.880

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:52.193

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:52.520

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:52.910

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: sub Anuraea aculeata var. brevispina Gosse
created: 2025-05-15 15:58:53.270

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: sub Anuraea aculeata var. brevispina Gosse
created: 2025-05-15 15:58:53.583

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:53.990

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: sub Keratella hiemalis Carlin
created: 2025-05-15 15:58:54.240

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:54.410

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:54.677

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:54.803

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: sub Keratella hiemalis Carlin!
created: 2025-05-15 15:58:54.990

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:55.117

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:55.710

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:55.833

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:55.990

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:56.117

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:56.350

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:56.537

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:56.740

Keratella quadrata f. araneosa
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: ? sub Anuraea squamula (Müller)
created: 2025-05-15 15:58:59.193

Keratella quadrata f. araneosa
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: (?) ID doubtful: unforked posterior ridges, missing posterior marginal facets!
created: 2025-05-15 15:58:59.397

Keratella quadrata f. araneosa
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:59.553

Keratella quadrata f. araneosa
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:58:59.710

Keratella quadrata f. araneosa
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: (?) sub Anuraea aculeata var. curvicornis Ehrenberg
created: 2025-05-15 15:58:59.913

Keratella quadrata f. araneosa
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800888
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: sub Anuraea aculeata var. curvicornis Ehrenberg
created: 2025-05-15 15:58:59.990

Keratella quadrata f. baicalensis
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801127
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:00.553

Keratella quadrata f. baicalensis
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801127
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:00.757

Keratella quadrata f. klementi
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800889
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:01.240

Keratella quadrata f. klementi
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1800889
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:02.397

Keratella quadrata f. reticulata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:02.833

Keratella quadrata f. reticulata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:03.037

Keratella quadrata f. reticulata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:03.333

Keratella quadrata f. reticulata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:03.460

Keratella quadrata f. reticulata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:03.740

Keratella quadrata f. reticulata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:03.880

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.053

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.083

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.193

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: redrawn from Koste (1976): Osnabrücker naturwissenschaftliche Mitteilungen, 4 (fig.3b), modified to include resting egg.
created: 2025-05-15 15:59:06.287

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.350

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.460

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.553

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.663

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:06.790

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:07.023

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:07.380

Keratella quadrata var. longispina
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801208
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:07.990

Keratella quadrata var. platei
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801165
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:08.693

Keratella quadrata var. platei
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801165
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:08.943

Keratella quadrata var. platei
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801165
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:09.163

Keratella quadrata var. platei
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801165
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
created: 2025-05-15 15:59:09.290

Keratella quadrata var. frenzeli
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
rights holder: https://marineinfo.org/id/person/33730
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
format: JPEG
description: Image courtesy of ANSP (Jersabek et al. 2003) [Ref.15798]; females, dorsal (163) and ventral (503) views
created: 2025-07-24 16:18:41.360

Distribution for Keratella quadrata (Müller, 1786) - European waters (ERMS scope)
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/7130
locality: https://marineregions.org/mrgid/7130
source: https://aphia.org/id/source/1388

Distribution for Keratella quadrata (Müller, 1786) - Nieuwpoort
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/90
locality: https://marineregions.org/mrgid/90
source: https://aphia.org/id/source/1118

Distribution for Keratella quadrata (Müller, 1786) - Nieuwpoort
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/90
locality: https://marineregions.org/mrgid/90
source: https://aphia.org/id/source/1190

Distribution for Keratella quadrata (Müller, 1786) - Lombardsijde
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/5662
locality: https://marineregions.org/mrgid/5662
source: https://aphia.org/id/source/1190

Distribution for Keratella quadrata (Müller, 1786) - Oostende
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/25
locality: https://marineregions.org/mrgid/25
source: https://aphia.org/id/source/1118

Distribution for Keratella quadrata (Müller, 1786) - Knokke
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/14628
locality: https://marineregions.org/mrgid/14628
source: https://aphia.org/id/source/1118

Distribution for Keratella quadrata (Müller, 1786) - Romanian Exclusive economic Zone
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/5689
locality: https://marineregions.org/mrgid/5689
source: https://aphia.org/id/source/43140

Distribution for Keratella quadrata (Müller, 1786) - Ukrainian Exclusive Economic Zone
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/5695
locality: https://marineregions.org/mrgid/5695
source: https://aphia.org/id/source/43140

Distribution for Keratella quadrata (Müller, 1786) - Oostende
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/25
locality: https://marineregions.org/mrgid/25
source: https://aphia.org/id/source/25970

Distribution for Keratella quadrata (Müller, 1786) - Mongolia
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48289
locality: https://marineregions.org/mrgid/48289
source: https://aphia.org/id/source/260706

Distribution for Keratella quadrata (Müller, 1786) - Mongolia
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48289
locality: https://marineregions.org/mrgid/48289
source: https://aphia.org/id/source/260706

Distribution for Keratella quadrata (Müller, 1786) - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/360602

Distribution for Keratella quadrata (Müller, 1786) - Great Lakes
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/50183
locality: https://marineregions.org/mrgid/50183
source: https://aphia.org/id/source/361635

Distribution for Keratella quadrata (Müller, 1786) - Mongolia
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48289
locality: https://marineregions.org/mrgid/48289
source: https://aphia.org/id/source/260706

Distribution for Keratella quadrata (Müller, 1786) - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/360180

Distribution for Keratella quadrata (Müller, 1786) - Mongolia
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48289
locality: https://marineregions.org/mrgid/48289
source: https://aphia.org/id/source/260706

Distribution for Keratella quadrata (Müller, 1786) - Austria
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/47970
locality: https://marineregions.org/mrgid/47970
source: https://aphia.org/id/source/360714

Distribution for Keratella quadrata (Müller, 1786) - Nei Mongol
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48041
locality: https://marineregions.org/mrgid/48041
source: https://aphia.org/id/source/361204

Distribution for Keratella quadrata (Müller, 1786) - Turkey
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/2213
locality: https://marineregions.org/mrgid/2213
source: https://aphia.org/id/source/361040

Distribution for Keratella quadrata (Müller, 1786) - Mongolia
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48289
locality: https://marineregions.org/mrgid/48289
source: https://aphia.org/id/source/260706

Distribution for Keratella quadrata (Müller, 1786) - Czech Republic
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48119
locality: https://marineregions.org/mrgid/48119
source: https://aphia.org/id/source/360197

Distribution for Keratella quadrata (Müller, 1786) - Spain
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: Keratella quadrata (Müller, 1786)
has area: https://marineregions.org/mrgid/48445
locality: https://marineregions.org/mrgid/48445
source: https://aphia.org/id/source/363217

Distribution for Keratella quadrata quadrata (Müller, 1786) - St-Pieters-op-de-Dijk (Brugge)
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/148319
has area: https://marineregions.org/mrgid/17873
locality: https://marineregions.org/mrgid/17873
source: https://aphia.org/id/source/1188

Distribution for Keratella quadrata quadrata (Müller, 1786) - Muuga harbour (Port of Tallinn, Gulf of Finland)
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/148319
has area: https://marineregions.org/mrgid/14624
locality: https://marineregions.org/mrgid/14624
source: https://aphia.org/id/source/9789

Distribution for Keratella quadrata dispersa Carlin, 1943 - Ukrainian Exclusive Economic Zone
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/248021
has area: https://marineregions.org/mrgid/5695
locality: https://marineregions.org/mrgid/5695
source: https://aphia.org/id/source/43140

Distribution for Keratella quadrata dispersa Carlin, 1943 - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/248021
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/360184

Distribution for Keratella quadrata dispersa Carlin, 1943 - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/248021
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/360180

Distribution for Keratella quadrata f. reticulata Carlin, 1943 - Ukrainian Exclusive Economic Zone
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
has area: https://marineregions.org/mrgid/5695
locality: https://marineregions.org/mrgid/5695
source: https://aphia.org/id/source/43140

Distribution for Keratella quadrata f. reticulata Carlin, 1943 - Shetland
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801058
has area: https://marineregions.org/mrgid/4523
locality: https://marineregions.org/mrgid/4523
source: https://aphia.org/id/source/361179

Distribution for Keratella quadrata var. frenzeli (Eckstein, 1895) - Scheldt estuary
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
has area: https://marineregions.org/mrgid/4812
locality: https://marineregions.org/mrgid/4812
source: https://aphia.org/id/source/1112

Distribution for Keratella quadrata var. frenzeli (Eckstein, 1895) - Ukrainian Exclusive Economic Zone
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
has area: https://marineregions.org/mrgid/5695
locality: https://marineregions.org/mrgid/5695
source: https://aphia.org/id/source/43140

Distribution for Keratella quadrata var. frenzeli (Eckstein, 1895) - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/362601

Distribution for Keratella quadrata var. frenzeli (Eckstein, 1895) - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/360602

Distribution for Keratella quadrata var. frenzeli (Eckstein, 1895) - Germany
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
has area: https://marineregions.org/mrgid/48115
locality: https://marineregions.org/mrgid/48115
source: https://aphia.org/id/source/360180

Distribution for Keratella quadrata var. frenzeli (Eckstein, 1895) - Mongolia
type: Distribution
is distribution of: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/1801164
has area: https://marineregions.org/mrgid/48289
locality: https://marineregions.org/mrgid/48289
source: https://aphia.org/id/source/260706