Cottonwood Creek badlands (Bridger B) (Eocene of the United States)

Where: Uinta County, Wyoming (41.2° N, 110.5° W: paleocoordinates 45.2° N, 96.8° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Bridgerian (50.3 - 46.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Hayden, Cope in 1871–1872

Primary reference: E. D. Cope. 1872. Descriptions of some new Vertebrata from the Bridger Group of the Eocene. Proceedings of the American Philosophical Society 12:460-465 [M. Carrano/M. Carrano/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 130809: authorized by Roger Benson, entered by Roger Benson on 14.07.2012, edited by Matthew Carrano and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Eosuchia -
Naocephalus porrectus n. gen. n. sp.
Naocephalus porrectus n. gen. n. sp. Cope 1872 diapsid
 Testudinata - Baenidae
"Chisternon undatum" = Chisternon undatum6, "Baena hebraica n. sp." = Chisternon undatum
"Chisternon undatum" = Chisternon undatum6 Leidy 1871 turtle
AMNH 5974, shell
"Baena hebraica n. sp." = Chisternon undatum Leidy 1871 turtle
USNM specimen
 Testudines - Emydidae
Emys wyomingensis7 Leidy 1870 pond turtle
 Testudines - Pantestudinidae
Hadrianus octonaria n. gen. n. sp.1, "Testudo hadriana n. sp." = Hadrianus corsoni, "Hadrianus quadratus n. sp." = Hadrianus corsoni1
Hadrianus octonaria n. gen. n. sp.1 Cope 1871 turtle
"Testudo hadriana n. sp." = Hadrianus corsoni Leidy 1871 turtle
"Hadrianus quadratus n. sp." = Hadrianus corsoni1 Leidy 1871 turtle
same as Testudo hadriana
 Testudines - Geoemydidae
"Emys haydeni" = Echmatemys haydeni5, Palaeotheca terrestris n. sp., Palaeotheca polycypha n. gen. n. sp., "Emys shaugnessiana n. sp." = Echmatemys lativertebralis4
"Emys haydeni" = Echmatemys haydeni5 Leidy 1870 turtle
central parts of a carapace and plastron
Palaeotheca terrestris n. sp. Cope 1872 turtle
Palaeotheca polycypha n. gen. n. sp. Cope 1872 turtle
"Emys shaugnessiana n. sp." = Echmatemys lativertebralis4 Cope 1877 turtle
AMNH 1069 (holotype), an almost complete shell
 Testudines -
Hadrianus allabiatus n. sp.2 Cope 1871 turtle
 Testudines - Carettochelyidae
"Anostira ornata" = Anosteira ornata3
"Anostira ornata" = Anosteira ornata3 Leidy 1871 turtle
 Testudines - Pantrionychidae
Anostira oedemia n. sp., "Trionyx thomasii n. sp." = Plastomenus thomasii, Trionyx concentricus n. sp., Anostira molopina n. sp., Anostira trionychoides n. sp.
Anostira oedemia n. sp. Cope 1872 turtle
Including the type AMNH 3937
"Trionyx thomasii n. sp." = Plastomenus thomasii Cope 1872 turtle
Those specimens which Professor Cope figured in his great work of 1884 under the name P. multifoveatus must be regarded as the type of the present species [P. thomasi] AMNH and USNM specimens from Cottonwood Creek
Trionyx concentricus n. sp. Cope 1872 turtle
AMNH 1049 (holotype), 4 fragments of costal plates, 3 of which belong to the proximal ends, and I to the distal end, of their respective plates
Anostira molopina n. sp. Cope 1872 turtle
Anostira trionychoides n. sp. Cope 1872 turtle
 Testudines - Trionychidae
Trionyx uintaensis7, "Axestus byssinus" = Axestemys byssinus, "Trionyx scutumantiquum n. sp." = Oliveremys uintaensis3
Trionyx uintaensis7 Cope 1873 softshell turtle
"Axestus byssinus" = Axestemys byssinus Cope 1872 softshell turtle
"Trionyx scutumantiquum n. sp." = Oliveremys uintaensis3 Cope 1873 softshell turtle
AMNH 1035 (holotype), nearly complete carapace and a considerable part of the plastron
 Squamata -
"Protagras lacustris n. gen. n. sp." = Boavus occidentalis2
"Protagras lacustris n. gen. n. sp." = Boavus occidentalis2 Marsh 1871 snake