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Didymodus platypternus ✝

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)Not linked to a GBIF record.
PaleoBioDB ID (PBDB)276069https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=276069
Rankspecies (PBDB)
Taxonomy (PBDB)Life : Animalia : Chordata : Chondrichthyes : Xenacanthiformes : Diplodoselachidae : Orthacanthus : Didymodus platypternus
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
classChondrichthyesHuxley 1880
subclassElasmobranchiiBonaparte 1838
infraclassXenacanthimorpha
orderXenacanthiformesBerg 1955
familyDiplodoselachidaeDick 1981
genusOrthacanthusAgassiz 1843
speciesDidymodus platypternusCope 1884
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Didymodus platypternusspeciesbelongs to Didymodusstated with evidenceCope, 1884
Didymodus platypternusspeciesbelongs to Diacranodusstated without evidenceHay, 1902
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance299 - 272 Ma
Paleozoic
Last Recorded Appearance299 - 272 Ma
Paleozoic
Environmentmarine (based on Vertebrata)
Motilityactively mobile (based on Xenacanthiformes)
Dietcarnivore (based on Xenacanthiformes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)E. D. Cope. 1884. On the structure of the skull in the Elasmobranch genus Didymodus. Proceedings of the American Philosophical Society 21:572-590

Synonymy List

YearName and Author
1884Orthacanthus platypternus Cope
1884Didymodus platypternus Cope p. 587 figs. 8-9
1902Diacranodus platypternus Hay p. 265
1999Orthacanthus platypternus Johnson p. 234 figs. 1,2,9-14
2012Orthacanthus platypternus Johnson p. 369

References

Cope E. D. On the structure of the skull in the Elasmobranch genus Didymodus, Proceedings of the American Philosophical Society 21, 572-590
Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868
Johnson G. D. (1999) Dentitions of Late Palaeozoic Orthacanthus species and new species of ?Xenacanthus (Chondrichthyes: Xenacanthiformes) from North America, Acta Geologica Polonica 49, 215-266
Johnson G. D. (2012) Possible origin of the xenacanth sharks Orthancanthus texensis and Orthacanthus platypternus in the Lower Permian of Texas, USA, Historical Biology 24 4, 369-379
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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