Keratella Bory de St. Vincent, 1822
type: TaxonName
type: Label
aphia ID: 134941
scientific name ID: 134941
scientific name ID: urn:lsid:marinespecies.org:taxname:134941
scientific name: Keratella
authorship: Bory de St. Vincent, 1822
scientific name authorship: Bory de St. Vincent, 1822
full scientific name: Keratella Bory de St. Vincent, 1822
scientific name: Keratella Bory de St. Vincent, 1822
bilbio graphic citation: Jersabek, C. D.; Segers H.; Leitner M. (2025). Rotifer World Catalog (RWC). Keratella Bory de St. Vincent, 1822. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=134941 on 2025-11-17
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/3160
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/3210
is part of: https://marineinfo.org/id/dataset/5274
is part of: https://marineinfo.org/id/dataset/2565
is part of: https://marineinfo.org/id/dataset/3209
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: Genus
taxon rank: Genus
source: Dictionnaire Classique d'Histoire Naturelle. Tome second [vol. 2]
source: Dictionnaire classique d'histoire naturelle, par Messieurs Audouin, Isid. Bourdon, Ad. Brongniart, de Candolle ... et Bory de Saint-Vincent. Ouvrage dirigé par ce dernier collaborateur.
source: Über die Entwickelung und Lebensdauer der Infusionsthiere; nebst ferneren Beiträgen zu einer Vergleichung ihrer organischen Systeme.
source: New systematical approach to the Japanese planktonic Rotatoria.
source: Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta.
source: https://aphia.org/id/source/1388
source: valid family- and genus-group names in Rotifera - After Contribution to the nomenclature of Rotifera: Annotated checklist of valid family- and genus-group
source: Integrated Taxonomic Information System (ITIS)
has synonym: https://aphia.org/id/taxname/1794603
has synonym: https://aphia.org/id/taxname/391899
has synonym: https://aphia.org/id/taxname/1794633
denotes: Taxon
  type: Concept
  has accepted name: Keratella Bory de St. Vincent, 1822
  has habitat: marine
  has habitat: fresh
  has habitat: brackish
  has synonym name: https://aphia.org/id/taxname/1794603
  has synonym name: https://aphia.org/id/taxname/391899
  has synonym name: https://aphia.org/id/taxname/1794633
  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
  is subject of: Keratella quadrata f. araneosa

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

Genus
type: Concept
type: Rank

Dictionnaire Classique d'Histoire Naturelle. Tome second [vol. 2]
type: Source
type: BibliographicResource
bibliographic citation: Bory de Saint-Vincent, J. B. M. (1822). Dictionnaire Classique d'Histoire Naturelle. Tome second [vol. 2]. Paris. Rey & Gravier, libraires-éditeurs; Baudouin Frères, libraires-éditeurs.
is accessible for free: 1
date published: 1822

Dictionnaire classique d'histoire naturelle, par Messieurs Audouin, Isid. Bourdon, Ad. Brongniart, de Candolle ... et Bory de Saint-Vincent. Ouvrage dirigé par ce dernier collaborateur.
type: Source
type: BibliographicResource
bibliographic citation: Bory De Saint Vincent, J.-B. G. M. M. (1822). Dictionnaire classique d'histoire naturelle, par Messieurs Audouin, Isid. Bourdon, Ad. Brongniart, de Candolle ... et Bory de Saint-Vincent. Ouvrage dirigé par ce dernier collaborateur. Paris. Rey et Gravier, 2, 621
date published: 1822

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

New systematical approach to the Japanese planktonic Rotatoria.
type: Source
type: BibliographicResource
bibliographic citation: Sudzuki, M. (1964). New systematical approach to the Japanese planktonic Rotatoria. Hydrobiologia, 23 (1/2), 1-124
date published: 1964

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

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

valid family- and genus-group names in Rotifera - After Contribution to the nomenclature of Rotifera: Annotated checklist of valid family- and genus-group
type: Source
type: BibliographicResource
bibliographic citation: Checklist of valid family- and genus-group names in Rotifera - After Segers, H. (2002). Contribution to the nomenclature of Rotifera: Annotated checklist of valid family- and genus-group names. J. Nat. Hist. 36: 631-640. Update 20 Jan. 05
date published: 2002

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

https://aphia.org/id/vernacular-name/65498
type: vernacularName
vernacular name: カメノコウワムシ属
language: jpn
source: https://aphia.org/id/source/261686

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
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  is denoted by: https://aphia.org/id/taxname/1800826
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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
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format: JPEG
created: 2025-05-15 15:35:55.267

Keratella quadrata - Original description image
type: ImageObject
subject: Taxon
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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
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  is denoted by: https://aphia.org/id/taxname/1800888
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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
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subject: Taxon
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format: JPEG
created: 2025-05-15 15:59:01.070

Keratella quadrata f. klementi - Original description image
type: ImageObject
subject: Taxon
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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
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  is denoted by: https://aphia.org/id/taxname/1801058
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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
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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
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  is denoted by: https://aphia.org/id/taxname/1801165
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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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format: JPEG
created: 2025-05-15 15:35:46.720

Anuraea aculeata
type: ImageObject
subject: Taxon
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created: 2025-05-15 15:35:46.813

Anuraea aculeata
type: ImageObject
subject: Taxon
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created: 2025-05-15 15:35:47.000

Anuraea aculeata
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created: 2025-05-15 15:35:47.110

Anuraea aculeata
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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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created: 2025-05-15 15:35:47.703

Anuraea aculeata
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created: 2025-05-15 15:35:47.860

Anuraea aculeata
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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
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created: 2025-05-15 15:35:48.843

Anuraea aculeata
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created: 2025-05-15 15:35:49.033

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

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

Keratella quadrata
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created: 2025-05-15 15:58:44.363

Keratella quadrata
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Keratella quadrata
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created: 2025-05-15 15:58:45.677

Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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description: (?) sub Anuraea aculeata var. brevispina Gosse (syn. K. testudo (Ehrenberg))
created: 2025-05-15 15:58:50.113

Keratella quadrata
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subject: Taxon
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Keratella quadrata
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description: variety? sub K. hiemalis Carlin, 1943
created: 2025-05-15 15:58:51.333

Keratella quadrata
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Keratella quadrata
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Keratella quadrata
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created: 2025-05-15 15:58:52.520

Keratella quadrata
type: ImageObject
subject: Taxon
  type: Concept
  is denoted by: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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: https://aphia.org/id/taxname/134992
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