PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Eryops

Amphibia - Temnospondyli - Eryopidae

Taxonomy

Eryops was named by Cope (1877). It is not extant. Its type is Eryops megacephalus. It is the type genus of Eryopidae.

It was assigned to Temnospondyli by Gauthier et al. (1989); to Eryopoidea by Yates and Warren (2000); to Temnospondyli by Maddin et al. (2012); to Eryopidae by Cope (1884), Hay (1902), Watson (1919), Carroll (1988), Kissel and Lehman (2002) and Schoch (2013); and to Eryopinae by Schoch and Milner (2014).

Species

E. erythroliticus, E. grandis (syn. E. reticulatus), E. latus, E. megacephalus (syn. E. willistoni, Anisodexis imbricarius, Rhachitomus valens, Clepsydrops gigas) (type species)

Species lacking formal opinion data

E. anatinus

Synonyms

Epicordylus was named by Cope (1878).

It was synonymized subjectively with Eryops by Hay (1902).
Rhachitomus was named by Cope (1878).

It was synonymized subjectively with Eryops by Hay (1902).

Synonymy list

Year	Name and author
1877	Eryops Cope pp. 188-191
1878	Epicordylus Cope
1878	Rhachitomus Cope
1884	Eryops Cope p. 33
1902	Eryops Hay p. 421
1919	Eryops Watson p. 64
1988	Eryops Carroll
1989	Eryops Gauthier et al. p. 349
2000	Eryops Yates and Warren pp. 84, 86
2002	Eryops Kissel and Lehman p. 531
2012	Eryops Maddin et al.
2013	Eryops Schoch
2014	Eryops Schoch and Milner p. 88

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)

Rank	Name	Author
subclass	Tetrapodomorpha	()
—	Tetrapoda
class	Amphibia
order	Temnospondyli	()
—	Eutemnospondyli
—	Rhachitomi	()
—	Eryopiformes
family	Eryopidae	Cope 1882
subfamily	Eryopinae
genus	Eryops

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Eryops Cope 1877

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†Eryops erythroliticus Cope 1878

†Eryops grandis Marsh 1878

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Invalid names: Eryops reticulatus Cope 1881 [synonym]

†Eryops latus Case 1903

†Eryops megacephalus Cope 1877

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Invalid names: Anisodexis imbricarius Cope 1882 [synonym], Clepsydrops gigas Cope 1878 [synonym], Eryops willistoni Moodie 1911 [synonym], Rhachitomus valens Cope 1878 [synonym]

Invalid names: Epicordylus Cope 1878 [synonym], Rhachitomus Cope 1878 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

brackish, freshwater, terrestrialuc

Locomotion:

actively mobilesubo

Life habit:

amphibioussubo

Diet:

carnivoresubo

Dispersal:

waterc

Created:

2009-07-20 21:44:54

Modified:

2009-07-20 23:44:54

Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade

References: Uhen 2004, Carroll 1988, Hendy et al. 2009

Age range: base of the Missourian to the top of the Leonardian or 306.00000 to 273.01000 Ma

Collections (84 total)

Time interval	Ma	Country or state	Original ID and collection number
Pennsylvanian	323.2 - 298.9	USA (New Mexico)	E. sp. (125140)
Stephanian	307.5 - 300.4	USA (Pennsylvania)	E. avinoffi (126535)
Kasimovian - Kungurian	307.0 - 272.3	USA (Utah)	E. sp. (218159)
Missourian	306.0 - 303.7	USA (Pennsylvania)	E. sp. (180937)
Virgilian	303.7 - 298.9	USA (Kansas)	E. sp. (215555)
Virgilian	303.7 - 298.9	USA (Oklahoma)	E. sp. (13947)
Gzhelian - Sakmarian	303.7 - 290.1	USA (New Mexico)	E. sp. (180989)
Virgilian - Wolfcampian	303.7 - 286.0	USA (New Mexico)	E. grandis (77412)
Asselian	298.9 - 295.5	Germany (Thuringia)	E. sp. (180761)
Asselian	298.9 - 295.5	USA (Texas)	E. sp. (79163 207495 207497)
Asselian - Sakmarian	298.9 - 290.1	Germany (Rhineland-Palatine)	E. sp. (180816)
Asselian - Sakmarian	298.9 - 290.1	USA (Utah)	E. sp. (13257)
Asselian - Sakmarian	298.9 - 290.1	USA (Texas)	E. megacephalus (11165) E. sp. (113555)
Wolfcampian	298.9 - 286.0	USA (Colorado)	E. grandis (85478)
Wolfcampian	298.9 - 286.0	USA (New Mexico)	E. grandis (80833 180106 180382 180383 180384 180940) E. sp. (28067 180974 181075)
Wolfcampian	298.9 - 286.0	USA (Texas)	E. megacephalus (22635 79162 180978) E. sp. (80723)
Wolfcampian - Leonardian	298.9 - 273.01	USA (Utah)	E. sp. (80110)
Permian	298.9 - 251.902	USA (Oklahoma)	E. megacephalus (221391 221392)
Sakmarian	293.52 - 290.1	USA (Pennsylvania)	E. sp. (28466)
Sakmarian	293.52 - 290.1	USA (Texas)	E. sp. (28119 28120 28122 28123 28124 28125)
Sakmarian - Artinskian	293.52 - 279.3	USA (New Mexico)	E. sp. (180988)
Sakmarian - Artinskian	293.52 - 279.3	USA (Texas)	E. sp. (28324)
Artinskian	290.1 - 279.3	USA (Oklahoma)	E. megacephalus (79402)
Artinskian	290.1 - 279.3	USA (Texas)	E. anatinus (28142) E. megacephalus (84716 108766) E. sp. (13080 22714 28141 28143 28144 28145 28146 28147 28148 28149 28150 28238 28239 28240)
Artinskian - Kungurian	290.1 - 272.3	USA (Texas)	E. megacephalus (85301) E. sp. (28241 28250 28252) E. sp., Dimetrodon gigas (28253)
Artinskian - Kungurian	290.1 - 272.3	USA (Oklahoma)	Dimetrodon gigas (85733)
Artinskian - Roadian	290.1 - 268.8	USA (Texas)	E. sp. (180992)
Leonardian	286.0 - 273.01	USA (Oklahoma)	E. megacephalus (79815 85567 87054 180990 180991)
Kungurian	279.3 - 272.3	USA (Texas)	E. megacephalus (67735 177000 177019 178738) E. sp. (28251 28261 28264 28270 28272 28277) E. sp., Anisodexis imbricarius (28256) E. sp., Dimetrodon gigas (28267)