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Cephalaspis ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	150011	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=150011

Rank

genus (PBDB)

Taxonomy (PBDB)

Life : Cephalaspidae : Cephalaspis

Classification
(PBDB,GBIF)

Rank	Name	Author
subclass	Cornuata	Janvier 1985
-	Cephalaspidiens	Janvier 1985
family	Cephalaspidae	Huxley 1861
genus	Cephalaspis	Agassiz 1843

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Cephalaspis	genus	belongs to Cephalaspidae	stated without evidence	Huxley, 1861
Cephalaspis	genus	belongs to Cephalaspidae	stated with evidence	Gardiner, 1966
Cephalaspis	genus	belongs to Vertebrata	stated without evidence	Dumbrava and Blieck, 2005

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

419 - 412 Ma
Early/Lower Devonian

Last Recorded Appearance

408 - 393 Ma
Early/Lower Devonian

Primary Reference (PBDB)

L. Agassiz. 1843. Recherches Sur Les Poissons Fossiles. Tome I (livr. 18). Imprimerie de Petitpierre, Neuchatel

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Cephalaspis acadica ✝ species	listed (PBDB)	1	408 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Cephalaspis campbelltonensis ✝ species	listed (PBDB)	1	408 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Cephalaspis canadensis ✝ species	listed (PBDB)	1	408 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Cephalaspis dawsoni ✝ species	listed (PBDB)	1	408 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Cephalaspis jexi ✝ species	listed (PBDB)	1	408 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Cephalaspis laticeps ✝ species	listed (PBDB)
Cephalaspis lightbodii ✝ species	listed (PBDB)
Cephalaspis lloydii ✝ species	listed (PBDB)
Cephalaspis lyelli ✝ species	listed (PBDB)
Cephalaspis murchisoni ✝ species	listed (PBDB)
Cephalaspis novaescotiae ✝ species	listed (PBDB)	1	419 Ma Early/Lower Devonian	419 Ma Early/Lower Devonian
Cephalaspis pagei ✝ species	listed (PBDB)
Cephalaspis powriei ✝ species	listed (PBDB)
Cephalaspis salweyi ✝ species	listed (PBDB)
Cephalaspis westolli ✝ species	listed (PBDB)	1	408 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Cephalaspis wyomingensis ✝ species	listed (PBDB)

Synonymy List

Year	Name and Author
1843	Cephalaspis Agassiz p. 174
1861	Cephalaspis Huxley p. 37
1891	Cephalaspis Woodward p. 177
1902	Cephalaspis Hay p. 341
1933	Cephalaspis Bryant p. 312
1966	Cephalaspis Gardiner p. 13
2005	Cephalaspis Dumbrava and Blieck p. 165

References

Agassiz L. , Recherches Sur Les Poissons Fossiles. Tome I (livr. 18). Imprimerie de Petitpierre, Neuchatel, xxxii-188

Huxley T. H. Preliminary essay upon the systematic arrangment of the fishes of the Devonian Epoch, Memoirs of the Geological Survey of Great Britain, decade 10 23, 1-40

Woodward A. S. Catalogue of the Fossil Fishes in the British Museum (Natural History). Part II, Catalogue of the Fossil Fishes in the British Museum (Natural History) 2

Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868

Bryant W. L. (1933) The Fish Fauna of Beartooth Butte, Wyoming, Proceedings of the American Philosophical Society 72 5, 285-314

Gardiner B. G. (1966) Catalogue of Canadian fossil fishes, Life Sciences Contribution of the Royal Ontario Museum 68, 1-154

Dumbrava M., Blieck A. (2005) Review of the Pteraspidiform heterostracans (Vertebrata, Agnatha) from the Devonian of Podolia, Ukraine, in the Theodor Vascautanu Collection, Bucharest, Romania, Acta Palaeontologica Romanniae 5, 163-171

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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