@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/157438> a taxon-name:TaxonName, skos-xl:Label ;
   rdfs:label "Helicotheca M. Ricard, 1987"^^xsd:string ;
   taxon-name:aphiaID "157438"^^xsd:integer ;
   dwc:scientificNameID "157438"^^xsd:integer, "urn:lsid:marinespecies.org:taxname:157438"^^xsd:string ;
   taxon-name:scientificName "Helicotheca"^^xsd:string ;
   taxon-name:authorship "M. Ricard, 1987"^^xsd:string ;
   dwc:scientificNameAuthorship "M. Ricard, 1987"^^xsd:string ;
   taxon-name:fullScientificName "Helicotheca M. Ricard, 1987"^^xsd:string ;
   skos-xl:literalForm "Helicotheca M. Ricard, 1987"^^xsd:string ;
   dwc:scientificName "Helicotheca M. Ricard, 1987"^^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. Helicotheca M. Ricard, 1987. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=157438 on 2026-04-04"""^^xsd:string ;
   dct:isPartOf <https://marineinfo.org/id/dataset/632>, <https://marineinfo.org/id/dataset/3160>, <https://marineinfo.org/id/dataset/3123>, <https://marineinfo.org/id/dataset/536>, <https://marineinfo.org/id/dataset/3731>, <https://marineinfo.org/id/dataset/5273>, <https://marineinfo.org/id/dataset/8131>, <https://marineinfo.org/id/dataset/5789>, <https://marineinfo.org/id/dataset/9018>, <https://marineinfo.org/id/dataset/8732> ;
   taxon-name:hasStatus <https://aphia.org/ns/taxonomic-status#accepted> ;
   taxon-name:isOfRank <https://aphia.org/ns/rank#genus> ;
   dwc:taxonRank <https://aphia.org/ns/rank#genus> ;
   dct:source <https://aphia.org/id/source/267833>, <https://aphia.org/id/source/264560>, <https://aphia.org/id/source/140196>, <https://aphia.org/id/source/1194>, <https://aphia.org/id/source/4128> ;
   taxon-name:hasSynonym <https://aphia.org/id/taxname/149302> ;
   rdfs:seeAlso <http://www.algaebase.org/search/genus/detail/?genus_id=46453>, <http://researcharchive.calacademy.org/research/diatoms/names/gen/index.asp?xAction=getrec&GenID=268>, <https://www.ebi.ac.uk/ena/data/view/Taxon:374046>, <https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=374046&lvl=0> ;
   taxon-name:denotes _:b0 .

_:b0 a taxon-name:Taxon, skos:Concept ;
   taxon-name:hasAcceptedName <https://aphia.org/id/taxname/157438> ;
   tat:hasHabitat <https://aphia.org/id/environment/marine> ;
   taxon-name:hasSynonymName <https://aphia.org/id/taxname/149302> ;
   tat:hasAdditionalDescription <https://aphia.org/id/taxon-description/17875> ;
   taxon-name:hasParent _:b1 .

_:b1 a taxon-name:Taxon, skos-xl:Concept ;
   taxon-name:hasAcceptedName <https://aphia.org/id/taxname/149021> .

<https://aphia.org/ns/taxonomic-status#accepted> a skos:Concept, taxon-name:Status ;
   skos:prefLabel "accepted"@en ;
   rdfs:label "accepted"@en ;
   skos:definition """Valid name (ICZN) or name considered to be taxonomically correct (ICBN)"""^^xsd:string ;
   dwc:taxonomicStatus <https://rs.gbif.org/vocabulary/gbif/taxonomicStatus/accepted> ;
   dwc:nomenclaturalStatus <https://rs.gbif.org/vocabulary/gbif/nomenclatural_status/valid> .


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

<https://aphia.org/id/source/267833> a top-level:Source, dct:BibliographicResource ;
   dct:title """Atlas du phytoplankton marin. Volume II: Diatomophycées."""^^xsd:string ;
   dct:bibliographicCitation  """Ricard, M. (1987). Atlas du phytoplankton marin. Volume II: Diatomophycées. Editions du Centre National de la Recherche Scientique, Paris., 2: 297 pp."""^^xsd:string ;
   schema:datePublished "1987"^^xsd:gYear .

<https://aphia.org/id/source/264560> a top-level:Source, dct:BibliographicResource ;
   dct:title """On a new Diatom in the estuary of the Thames."""^^xsd:string ;
   dct:bibliographicCitation  """Shrubsole, W.H. (1890). On a new Diatom in the estuary of the Thames. Journal of the Quekett Microscopical Club, 4, ser. 2: 259-262"""^^xsd:string ;
   schema:datePublished "1890"^^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/1194> a top-level:Source, dct:BibliographicResource ;
   dct:title """Identifying marine phytoplankton."""^^xsd:string ;
   dct:bibliographicCitation  """Tomas, C.R. (Ed.). (1997). Identifying marine phytoplankton. Academic Press: San Diego, CA [etc.] (USA). ISBN 0-12-693018-X. XV, 858 pp."""^^xsd:string ;
   dct:source  <https://marineinfo.org/id/publication/19862> ;
   schema:datePublished "1997"^^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/taxon-description/17875> a tat:TaxonDescription ;
   rdfs:label "Taxon Description Functional group for Taxon denoted by name 157438"@en ;
   tat:hasExtraSpecification <https://aphia.org/id/taxon-description-extra-specification/17876> ;
   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/157438> ;
   ] ;
   top-level:hasValue <https://aphia.org/ns/traits/functional-group#phytoplankton> .

<https://aphia.org/id/taxon-description-extra-specification/17876> a tat:SpecificationContext ;
   rdfs:label "Specification Context: Life stage adult"@en ;
   tat:definesParameter <https://aphia.org/ns/traits/life-stage> ;
   top-level:hasValue <https://aphia.org/ns/traits/life-stage#adult> .