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Diadectidae ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	37246	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=37246

Rank

family (PBDB)

Taxonomy (PBDB)

Life : Animalia : Chordata : Osteichthyes : Cotylosauria : Diadectidae

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
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Diadectomorpha
family	Diadectidae	Cope 1880

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Diadectidae	family	belongs to Theriodontia	stated with evidence	Zittel, 1890
Diadectidae	family	belongs to Cotylosauria	stated without evidence	Cope, 1896
Diadectidae	family	belongs to Cotylosauria	stated with evidence	Osborn, 1904
Diadectidae	family	belongs to Diadectosauria	stated with evidence	Case, 1911
Diadectidae	family	belongs to Diadectomorpha	stated with evidence	Kuhn, 1946
Diadectidae	family	belongs to Diadectomorpha	stated without evidence	Lewis and Vaughn, 1965
Diadectidae	family	belongs to Diadectoidea	stated with evidence	Kuhn, 1966
Diadectidae	family	belongs to Diadectosauria	implied	Carroll et al., 1972
Diadectidae	family	belongs to Amphibia	implied	Carroll, 1988
Diadectidae	family	belongs to Diadectomorpha	stated with evidence	Laurin and Reisz, 1995
Diadectidae	family	belongs to Diadectomorpha	implied	Kissel and Lehman, 2002
Diadectidae	unranked clade	belongs to Diadectomorpha	stated without evidence	Liu and Bever, 2015

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

306 - 303 Ma
Carboniferous

Last Recorded Appearance

260 - 254 Ma
Permian

Environment

brackish,freshwater,terrestrial (based on Tetrapoda)

Motility

actively mobile (based on Osteichthyes)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

E. D. Cope. 1880. The skull of Empedocles. The American Naturalist 14:304

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Alveusdectes ✝ genus	listed (PBDB)	1	260 Ma Permian	260 Ma Permian
Ambedus ✝ genus	listed (PBDB)	1	296 Ma Permian	296 Ma Permian
Bolbodon ✝ genus	listed (PBDB)
Chilonyx ✝ genus	listed (PBDB)	2	290 Ma Permian	279 Ma Permian
Desmatodon ✝ genus	listed (PBDB)	4	306 Ma Carboniferous	303 Ma Carboniferous
Diadectes ✝ genus	listed (PBDB)	65	304 Ma Carboniferous	279 Ma Permian
Diasparactus ✝ genus	listed (PBDB)
Empedias ✝ genus	listed (PBDB)
Ichniotherium ✝ genus	listed (PBDB)	5	290 Ma Permian	260 Ma Permian
Nothodon ✝ genus	listed (PBDB)
Oradectes ✝ genus	listed (PBDB)	1	296 Ma Permian	296 Ma Permian
Orobates ✝ genus	listed (PBDB)	1	290 Ma Permian	290 Ma Permian
Phanerosaurus ✝ genus	accepted (GBIF) listed (PBDB)	1	299 Ma Carboniferous	299 Ma Carboniferous
Silvadectes ✝ genus	listed (PBDB)	1	290 Ma Permian	290 Ma Permian

Synonymy List

Year	Name and Author
1878	Nothodontidae Marsh
1880	Diadectidae Cope p. 304
1890	Diadectidae Zittel p. 581
1896	Diadectidae Cope p. 441
1902	Diadectidae Hay p. 426
1904	Diadectidae Osborn p. 101
1911	Diadectidae Case pp. 9, 11
1930	Diadectidae Hay p. 33
1946	Diadectidae Kuhn p. 55

Year	Name and Author
1965	Diadectidae Lewis and Vaughn p. C13
1966	Diadectidae Kuhn p. 16
1972	Diadectidae Carroll et al. p. 21
1988	Diadectidae Carroll
1995	Diadectidae Laurin and Reisz p. 173
2002	Diadectidae Kissel and Lehman p. 533
2005	Diadectidae Martens et al.
2015	Diadectidae Liu and Bever p. 1

References

Cope E. D. The skull of Empedocles, The American Naturalist 14, 304

Zittel K. A. v. , Handbuch der Palaeontologie. I. Abteilung Paleozoologie. III. Band. Vertebrata (Pisces, Amphibia, Reptilia, Aves) [Handbook of Paleontology. Division I. Paleozoology. Volume III. Vertebrata (Pisces, Amphibia, Reptilia, Aves)], xii-900

Cope E. D. The reptilian order Cotylosauria, Proceedings of the American Philosophical Society 34, 436-457

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

Case E. C. (1911) A revision of the Cotylosauria of North America, Carnegie Institution of Washington Publication 145, 1-121

Hay O. P. (1930) Second Bibliography and Catalogue of the Fossil Vertebrata of North America, Carnegie Institution of Washington 390 II, 1-1074

Kuhn O. (1946) Das System der fossilen und rezenten Amphibien und Reptilien [The system of fossil and recent amphibians and reptiles], Bericht der Naturforschenden Gesellschaft in Bamberg 29, 49-67

Lewis G. E., Vaughn P. P. (1965) Early Permian Vertebrates from the Cutler Formation of the Placerville Area, Colorado, United States Geological Survey Professional Papers 503-C, C1-C46

Kuhn O. W. M. (1966) , Die Reptilien. System und Stammesgeschichte [The Reptiles. Systematics and Phylogeny.], 1-154

Carroll R. L., Kuhn O., et al (1972) Handbuch der Palaoherpetologie / Encyclopedia of Paleoherpetology Teil 5 / Part 5 Batrachosauria (Anthracosauria) Teil B / Part B Gephyrostegida-Chroniosuchida, 1-81

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

Laurin M., Reisz R. R. (1995) A reevaluation of early amniote phylogeny, Zoological Journal of the Linnean Society 113 2, 165-223

Kissel R. A., Lehman T. M. (2002) Upper Pennsylvanian tetrapods from the Ada Formation of Seminole County, Oklahoma, Journal of Paleontology 76 3, 529-545

Martens T., Berman D. S., et al (2005) The Bromacker Quarry - the Most Important Locality of Lower Permian Terrestrial Vertebrate Fossils Outside of North America, The Nonmarine Permian. New Mexico Museum of Natural History and Science Bulletin 30, 214-215

Liu J., Bever G. S. (2015) The last diadectomorph sheds light on Late Palaeozoic tetrapod biogeography, Biology Letters 11, 20150100 doi:10.1098/rsbl.2015.0100

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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