@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix dwc: <http://rs.tdwg.org/dwc/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix d0: <http://www.ontologydesignpatterns.org/ont/d0.owl#> .
@prefix dul: <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#> .
@prefix skos-xl: <http://www.w3.org/2008/05/skos-xl#> .
@prefix top-level: <https://aphia.org/ns/top-level/> .
@prefix taxon-name: <https://aphia.org/ns/taxon-name/> .
@prefix td: <https://aphia.org/ns/distribution/> .
@prefix media: <https://aphia.org/ns/media/> .
@prefix tat: <https://aphia.org/ns/attribute-trait/> .
@prefix xsd: <https://www.w3.org/2001/XMLSchema#> .
@prefix schema: <https://schema.org/> .

<https://aphia.org/id/taxname/148996> a taxon-name:TaxonName, skos-xl:Label ;
   rdfs:label "Cyclostephanos dubius (Hustedt) Round, 1988"^^xsd:string ;
   taxon-name:aphiaID "148996"^^xsd:integer ;
   dwc:scientificNameID "148996"^^xsd:integer, "urn:lsid:marinespecies.org:taxname:148996"^^xsd:string ;
   taxon-name:scientificName "Cyclostephanos dubius"^^xsd:string ;
   taxon-name:authorship "(Hustedt) Round, 1988"^^xsd:string ;
   dwc:scientificNameAuthorship "(Hustedt) Round, 1988"^^xsd:string ;
   taxon-name:fullScientificName "Cyclostephanos dubius (Hustedt) Round, 1988"^^xsd:string ;
   skos-xl:literalForm "Cyclostephanos dubius (Hustedt) Round, 1988"^^xsd:string ;
   dwc:scientificName "Cyclostephanos dubius (Hustedt) Round, 1988"^^xsd:string ;
   dct:bibliographicCitation """Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2026). DiatomBase. Cyclostephanos dubius (Hustedt) Round, 1988. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=148996 on 2026-04-14"""^^xsd:string ;
   dct:isPartOf <https://marineinfo.org/id/dataset/632>, <https://marineinfo.org/id/dataset/8131>, <https://marineinfo.org/id/dataset/5816>, <https://marineinfo.org/id/dataset/5789>, <https://marineinfo.org/id/dataset/9018> ;
   taxon-name:hasStatus <https://aphia.org/ns/taxonomic-status#unassessed> ;
   taxon-name:isOfRank <https://aphia.org/ns/rank#species> ;
   dwc:taxonRank <https://aphia.org/ns/rank#species> ;
   dct:source <https://aphia.org/id/source/274161>, <https://aphia.org/id/source/285314>, <https://aphia.org/id/source/1104>, <https://aphia.org/id/source/4128>, <https://aphia.org/id/source/140196>, <https://aphia.org/id/source/141233>, <https://aphia.org/id/source/265728>, <https://aphia.org/id/source/268599>, <https://aphia.org/id/source/264776> ;
   taxon-name:hasSynonym <https://aphia.org/id/taxname/163193> ;
   rdfs:seeAlso <https://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=603656>, <http://www.biodiversitylibrary.org/name/Cyclostephanos_dubius>, <http://researcharchive.calacademy.org/research/diatoms/names/index.asp?xAction=getrec&TaxonCode=50945>, <http://researcharchive.calacademy.org/research/diatoms/names/index.asp?xAction=getrec&TaxonCode=50944>, <http://www.dyntaxa.se/Taxon/Info/237218?changeRoot=True>, <https://www.ebi.ac.uk/ena/data/view/Taxon:1003040>, <https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=1003040&lvl=0>, <http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:148996> ;
   taxon-name:denotes _:b0 .

_:b0 a taxon-name:Taxon, skos:Concept ;
   taxon-name:hasAcceptedName <https://aphia.org/id/taxname/976114> ;
   tat:hasHabitat <https://aphia.org/id/environment/fresh> ;
   taxon-name:hasSynonymName <https://aphia.org/id/taxname/163193> ;
   media:isSubjectOf <https://aphia.org/id/image/39368>, <https://aphia.org/id/image/39369> ;
   td:hasDistribution <https://aphia.org/id/distribution/667299>, <https://aphia.org/id/distribution/782871> ;
   tat:hasAdditionalDescription <https://aphia.org/id/taxon-description/1125999> ;
   taxon-name:hasParent _:b1 .

_:b1 a taxon-name:Taxon, skos-xl:Concept ;
   taxon-name:hasAcceptedName <https://aphia.org/id/taxname/148995> .

<https://aphia.org/ns/taxonomic-status#unassessed> a skos:Concept, taxon-name:Status ;
   skos:prefLabel "unassessed"@en ;
   rdfs:label "unassessed"@en ;
   skos:definition """Name coming from nomenclator (lists of names) or from, e.g., museum collection database, where the status might be known in the published literature, but for which the status has not yet been researched, assessed and documented"""^^xsd:string ;
   dwc:taxonomicStatus <https://rs.gbif.org/vocabulary/gbif/taxonomicStatus/doubtfull> ;
   dwc:nomenclaturalStatus <https://rs.gbif.org/vocabulary/gbif/nomenclatural_status/dubimum> .


<https://aphia.org/ns/rank#species> a skos:Concept, taxon-name:Rank ;
   skos:prefLabel "Species"@en ;
   rdfs:label "Species"@en .

<https://aphia.org/id/source/274161> a top-level:Source, dct:BibliographicResource ;
   dct:title """Atlas der Diatomaceen-kunde."""^^xsd:string ;
   dct:bibliographicCitation  """Schmidt, A. (1900). Atlas der Diatomaceen-kunde. Leipzig. O.R. Reisland, Series V(Heft 56): pls. 221-224"""^^xsd:string ;
   schema:datePublished "1900"^^xsd:gYear .

<https://aphia.org/id/source/285314> a top-level:Source, dct:BibliographicResource ;
   dct:title """Referentiematrices en Ecotoopoppervlaktes Annex bij de Evaluatiemethodiek Schelde-estuarium Studie naar “Ecotoopoppervlaktes en intactness index”.  [Reference matrices and Ecotope areas Annex to the Evaluation methodology Scheldt estuary Study on “Ecotope areas and intactness index”."""^^xsd:string ;
   dct:bibliographicCitation  """Maris, T., O. Beauchard, S. Van Damme, E. Van den Bergh, S. Wijnhoven & P. Meire. (2013). Referentiematrices en Ecotoopoppervlaktes Annex bij de Evaluatiemethodiek Schelde-estuarium Studie naar “Ecotoopoppervlaktes en intactness index”.  [Reference matrices and Ecotope areas Annex to the Evaluation methodology Scheldt estuary Study on “Ecotope areas and intactness index”. <em>Monitor Taskforce Publication Series, 2013-01. NIOZ: Yerseke.</em> 35 pp."""^^xsd:string ;
   dct:source  <https://marineinfo.org/id/publication/242765> ;
   schema:datePublished "2013"^^xsd:gYear .

<https://aphia.org/id/source/1104> a top-level:Source, dct:BibliographicResource ;
   dct:title """The diatoms: biology and morphology of the genera."""^^xsd:string ;
   dct:bibliographicCitation  """Round, F.E.; Crawford, R.M.; Mann, D.G. (1990). The diatoms: biology and morphology of the genera. Cambridge University Press: London, UK. ISBN 0-521-363187. 747 pp."""^^xsd:string ;
   dct:source  <https://marineinfo.org/id/publication/74740> ;
   schema:datePublished "1990"^^xsd:gYear .

<https://aphia.org/id/source/4128> a top-level:Source, dct:BibliographicResource ;
   dct:title """Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups)"""^^xsd:string ;
   dct:bibliographicCitation  """Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp."""^^xsd:string ;
   schema:datePublished "2004"^^xsd:gYear .

<https://aphia.org/id/source/140196> a top-level:Source, dct:BibliographicResource ;
   dct:title """Catalogue of Diatom Names"""^^xsd:string ;
   dct:bibliographicCitation  """Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19."""^^xsd:string ;
   schema:datePublished "2011"^^xsd:gYear .

<https://aphia.org/id/source/141233> a top-level:Source, dct:BibliographicResource ;
   dct:title """Diatoms (Bacillariophyta) of the Gulf of Mexico"""^^xsd:string ;
   dct:bibliographicCitation  """Krayesky, D. M.; Meave, D. C.; Zamudio, E.; Norris, E.; Fredericq, S.; Tunnell, J. (2009). Diatoms (Bacillariophyta) of the Gulf of Mexico. <em>Gulf of Mexico origin, waters, and biota.</em> 1: 155-186."""^^xsd:string ;
   schema:datePublished "2009"^^xsd:gYear .

<https://aphia.org/id/source/265728> a top-level:Source, dct:BibliographicResource ;
   dct:title """A check-list of the freshwater, brackish and marine diatoms of the British Isles and adjoining coastal waters"""^^xsd:string ;
   dct:bibliographicCitation  """Hartley, B., Ross, R. & Williams, D.M. (1986). A check-list of the freshwater, brackish and marine diatoms of the British Isles and adjoining coastal waters. <em>Journal of the Marine Biological Association of the United Kingdom.</em> 66(3): 531-610."""^^xsd:string ;
   dct:source  <https://www.doi.org/10.1017/s0025315400042235> ;
   schema:datePublished "1986"^^xsd:gYear .

<https://aphia.org/id/source/268599> a top-level:Source, dct:BibliographicResource ;
   dct:title """Validation of the centric diatom genus name Cyclostephanos"""^^xsd:string ;
   dct:bibliographicCitation  """Theriot, E., Håkansson, H., Kociolek, J.P., Round, F.E. & Stoermer, E.F. (1987). Validation of the centric diatom genus name Cyclostephanos. British Phycological Journal, 22(4): 345-347"""^^xsd:string ;
   dct:source  <https://www.doi.org/10.1080/00071618700650411> ;
   schema:datePublished "1987"^^xsd:gYear .

<https://aphia.org/id/source/264776> a top-level:Source, dct:BibliographicResource ;
   dct:title """Cyclostephanos - a new genus within the Sceletonemaceae."""^^xsd:string ;
   dct:bibliographicCitation  """Round, F.E. (1981). Cyclostephanos - a new genus within the Sceletonemaceae. Archiv für Protistenkunde, 125: 323-329"""^^xsd:string ;
   schema:datePublished "1981"^^xsd:gYear .



<https://aphia.org/id/image/39368> a media:ImageObject, schema:ImageObject ;
   rdfs:label "Plate IV - SEM"^^xsd:string ;
   dct:title "Plate IV - SEM"^^xsd:string ;
   dct:subject [
   a taxon-name:Taxon , skos:Concept ;
   taxon-name:isDenotedBy <https://aphia.org/id/taxname/148996>
   ] ;
   dct:rightsHolder "Fisheries and Oceans Canada, Hedy Kling"^^xsd:string ;
   dct:license <https://creativecommons.org/licenses/by-nc-sa/4.0/> ;
   dct:format <https://publications.europa.eu/resource/authority/file-type/JPEG> ;
   dct:description """various views of Cyclostephanos dubius (Hustedt) Round in Theriot et al. 1987"""^^xsd:string ;
   dct:created "2011-03-05 18:22:58.267"^^xsd:dateTime ;
   schema:contentUrl <https://images.vliz.be/thumbs/39368_plate-iv---sem.jpg> .
<https://aphia.org/id/image/39369> a media:ImageObject, schema:ImageObject ;
   rdfs:label "Plate V - Scanning Electron Micrographs (SEM)"^^xsd:string ;
   dct:title "Plate V - Scanning Electron Micrographs (SEM)"^^xsd:string ;
   dct:subject [
   a taxon-name:Taxon , skos:Concept ;
   taxon-name:isDenotedBy <https://aphia.org/id/taxname/148996>
   ] ;
   dct:rightsHolder "Fisheries and Oceans Canada, Hedy Kling"^^xsd:string ;
   dct:license <https://creativecommons.org/licenses/by-nc-sa/4.0/> ;
   dct:format <https://publications.europa.eu/resource/authority/file-type/JPEG> ;
   dct:description """a) Aulacoseira islandica (O.Müller) Simonsen, 1979; 
b) Aulacoseira subarctica (O.F.Müller) E.Y.Haworth 1988; 
c) Melosira varians C.A. Agardh, 1827; 
d) Cyclotella meneghiniana Kützing 1844 > Stephanocyclus meneghiniana (Kützing) Skabitschevsky 1975; 
e) Stephanodiscus minutulus /S. parvus complex (See Theriot E.C., Jones B. (2009) for discussion on these species); 
f) Cyclostephanos dubius (Hustedt) Round in Theriot et al. 1987"""^^xsd:string ;
   dct:created "2011-03-05 18:23:30.843"^^xsd:dateTime ;
   schema:contentUrl <https://images.vliz.be/thumbs/39369_plate-v---scanning-electron-micrographs-sem.jpg> .

<https://aphia.org/id/distribution/667299> a td:Distribution ;
   rdfs:label "Distribution for Cyclostephanos dubius (Hustedt) Round, 1988 - Gulf of Mexico"@en ;
   td:isDistributionOf [
   a taxon-name:Taxon, skos:Concept ;
   taxon-name:isDenotedBy <https://aphia.org/id/taxname/148996> ;
   ] ;
   td:hasArea <https://marineregions.org/mrgid/4288> ;
   dwc:locality <https://marineregions.org/mrgid/4288> ;
   dct:source <https://aphia.org/id/source/401228> .

<https://aphia.org/id/distribution/782871> a td:Distribution ;
   rdfs:label "Distribution for Cyclostephanos dubius (Hustedt) Round, 1988 - Swedish Exclusive Economic Zone"@en ;
   td:isDistributionOf [
   a taxon-name:Taxon, skos:Concept ;
   taxon-name:isDenotedBy <https://aphia.org/id/taxname/148996> ;
   ] ;
   td:hasArea <https://marineregions.org/mrgid/5694> ;
   dwc:locality <https://marineregions.org/mrgid/5694> ;
   dct:source <https://aphia.org/id/source/165516> .

<https://aphia.org/id/taxon-description/1125999> a tat:TaxonDescription ;
   rdfs:label "Taxon Description Functional group for Taxon denoted by name 148996"@en ;
   tat:hasTaxonCharacteristic <https://aphia.org/ns/traits/functional-group> ;
   tat:isAdditionalDescriptionOf [
   a taxon-name:Taxon, skos:Concept ;
   taxon-name:isDenotedBy <https://aphia.org/id/taxname/148996> ;
   ] ;
   top-level:hasValue <https://aphia.org/ns/traits/functional-group#phytoplankton> .