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Diplocaulus ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	37264	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=37264

Rank

genus (PBDB)

Taxonomy (PBDB)

Life : Animalia : Chordata : Osteichthyes : Diplocaulidae : Diplocaulus

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Amphibia	Linnaeus 1758
-	Lepospondyli
-	Nectridea
family	Diplocaulidae	Cope 1881
genus	Diplocaulus	Cope 1877

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Diplocaulus	genus	belongs to Diplocaulidae	stated without evidence	Cope, 1881
Diplocaulus	genus	belongs to Diplocaulinae	stated without evidence	Beerbower, 1963
Diplocaulus	genus	belongs to Keraterpetontidae	stated without evidence	Daly, 1973
Diplocaulus	genus	belongs to Keraterpetontidae	implied	Carroll, 1988
Diplocaulus	genus	belongs to Keraterpetontidae	stated with evidence	Dutuit, 1988
Diplocaulus	genus	belongs to Diplocaulidae	stated without evidence	Carroll et al., 1998
Diplocaulus	genus	belongs to Nectridea	stated without evidence	Maddin et al., 2012

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

307 - 303 Ma
Carboniferous

Last Recorded Appearance

260 - 254 Ma
Permian

Environment

brackish,freshwater,terrestrial (based on Tetrapoda)

Motility

actively mobile (based on Osteichthyes)

Reproduction

dispersal=water (based on Amphibia)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

E. D. Cope. 1877. Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society 17(100):182-193

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Diplocaulus brevirostris ✝ species	listed (PBDB)	2	279 Ma Permian	279 Ma Permian
Diplocaulus magnicornis ✝ species	listed (PBDB)	15	290 Ma Permian	279 Ma Permian
Diplocaulus minimus ✝ species	listed (PBDB)	1	260 Ma Permian	260 Ma Permian
Diplocaulus parvus ✝ species	listed (PBDB)	1	272 Ma Permian	272 Ma Permian
Diplocaulus primus ✝ species	listed (PBDB)	3	279 Ma Permian	279 Ma Permian
Diplocaulus recurvatus ✝ species	listed (PBDB)	18	290 Ma Permian	279 Ma Permian
Diplocaulus salamandroides ✝ species	listed (PBDB)	2	306 Ma Carboniferous	303 Ma Carboniferous

Synonymy List

Year	Name and Author
1877	Diplocaulus Cope pp. 187-188
1881	Diplocaulus Cope p. 163
1902	Diplocaulus Hay p. 416
1904	Diplocaulus copei Broili pp. 21-24 figs. Pl. II, III
1904	Diplocaulus Broili p. 26
1918	Platyops Williston
1946	Permoplatyops Case p. 325 fig. 28
1963	Diplocaulus Beerbower p. 104

Year	Name and Author
1970	Peronedon Olson
1973	Diplocaulus Daly p. 570
1977	Peronedon Haglund pp. 983, 984
1988	Diplocaulus Carroll
1988	Diplocaulus Dutuit p. 852
1998	Diplocaulus Carroll et al. p. 76
2012	Diplocaulus Maddin et al.

References

Cope E. D. Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States, Proceedings of the American Philosophical Society 17 100, 182-193

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

Broili F. (1904) Permische Stegocephalen und Reptilien aus Texas, Palaeontographica 51, 1-120

Beerbower J. R. (1963) Morphology, paleoecology, and phylogeny of the Permo-Pennsylvania amphibian Diploceraspis, Bulletin of the Museum of Comparative Zoology 130, 31-108

Olson E. C. (1970) New and little known genera and species of vertebrates from the Lower Permian of Oklahoma, Fieldiana: Geology 18 3, 359-434

Daly E. (1973) A Lower Permian vertebrate fauna from southern Oklahoma, Journal of Paleontology 47 3, 562-589

Haglund T. R. (1977) New Occurences and Paleoecology of Peronedon primus Olson (Nectridea), Journal of Paleontology 51 5, 982-985

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698

Dutuit J.-M. (1988) Diplocaulus minimus n. sp. (Amphibia: Nectridea), Lépospondyle de la formation d’ Argana, dans l’Atlas occidental marocain, Comptes Rendus de l'Academie des Sciences Paris, Série II 307, 851-854

Carroll R. L., Bossy K. A., et al (1998) Handbuch der Palaoherpetologie / Encyclopedia of Paleoherpetology Teil 1 / Part 1 Lepospondyli: Microsauria, Nectridea, Lysorophia, Adelospondyli, Aistopoda, Acherontiscidae, 1-216

Maddin H. C., Jenkins Jr F. A., et al (2012) The Braincase of Eocaecilia micropodia (Lissamphibia, Gymnophiona) and the Origin of Caecilians, PLoS One 7 12, e50743 doi:10.1371/journal.pone.0050743

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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