@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/673858> a taxon-name:TaxonName, skos-xl:Label ;
   rdfs:label "Nitzschia sigma var. curvula (Ehrenberg) Brun, 1880"^^xsd:string ;
   taxon-name:aphiaID "673858"^^xsd:integer ;
   dwc:scientificNameID "673858"^^xsd:integer, "urn:lsid:marinespecies.org:taxname:673858"^^xsd:string ;
   taxon-name:scientificName "Nitzschia sigma var. curvula"^^xsd:string ;
   taxon-name:authorship "(Ehrenberg) Brun, 1880"^^xsd:string ;
   dwc:scientificNameAuthorship "(Ehrenberg) Brun, 1880"^^xsd:string ;
   taxon-name:fullScientificName "Nitzschia sigma var. curvula (Ehrenberg) Brun, 1880"^^xsd:string ;
   skos-xl:literalForm "Nitzschia sigma var. curvula (Ehrenberg) Brun, 1880"^^xsd:string ;
   dwc:scientificName "Nitzschia sigma var. curvula (Ehrenberg) Brun, 1880"^^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. Nitzschia sigma var. curvula (Ehrenberg) Brun, 1880. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=673858 on 2026-04-05"""^^xsd:string ;
   dct:isPartOf <https://marineinfo.org/id/dataset/8131>, <https://marineinfo.org/id/dataset/5789> ;
   taxon-name:hasStatus <https://aphia.org/ns/taxonomic-status#unassessed> ;
   taxon-name:isOfRank <https://aphia.org/ns/rank#variety> ;
   dwc:taxonRank <https://aphia.org/ns/rank#variety> ;
   dct:source <https://aphia.org/id/source/140196>, <https://aphia.org/id/source/262708> ;
   rdfs:seeAlso <http://researcharchive.calacademy.org/research/diatoms/names/index.asp?xAction=getrec&TaxonCode=28811> ;
   taxon-name:denotes _:b0 .

_:b0 a taxon-name:Taxon, skos:Concept ;
   taxon-name:hasAcceptedName <https://aphia.org/id/taxname/976692> ;
   taxon-name:hasParent _:b1 .

_:b1 a taxon-name:Taxon, skos-xl:Concept ;
   taxon-name:hasAcceptedName <https://aphia.org/id/taxname/149213> .

<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#variety> a skos:Concept, taxon-name:Rank ;
   skos:prefLabel "Variety"@en ;
   rdfs:label "Variety"@en .

<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/262708> a top-level:Source, dct:BibliographicResource ;
   dct:title """Diatomées des Alpes et du Jura et de la région Suisse et Française des Environs de Genève"""^^xsd:string ;
   dct:bibliographicCitation  """Brun, J. (1880). Diatomées des Alpes et du Jura et de la région Suisse et Française des Environs de Genève. Imprimerie Ch. Schuchardt, Genève, 146 pp., 9 pls"""^^xsd:string ;
   schema:datePublished "1880"^^xsd:gYear .