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. 1871. 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/E. Vlachos]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
 Testudines - Trionychidae
"Trionyx scutumantiquum n. sp." = Oliveremys uintaensis3, Trionyx uintaensis7
"Trionyx scutumantiquum n. sp." = Oliveremys uintaensis3 Cope 1873 softshell turtle
AMNH 1035 (holotype), nearly complete carapace and a considerable part of the plastron
Trionyx uintaensis7 Cope 1873 softshell turtle
 Testudines - 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 - Carettochelyidae
"Anostira ornata" = Anosteira ornata3
"Anostira ornata" = Anosteira ornata3 Leidy 1871 turtle
 Testudines - Pantrionychidae
Anostira oedemia n. sp., Anostira molopina n. sp., Anostira trionychoides n. sp., Trionyx concentricus n. sp., "Axestus byssinus" = Axestemys byssinus, "Trionyx thomasii n. sp." = Plastomenus thomasii
Anostira oedemia n. sp. Cope 1871 turtle
Including the type AMNH 3937
Anostira molopina n. sp. Cope 1871 turtle
Anostira trionychoides n. sp. Cope 1871 turtle
Trionyx concentricus n. sp. Cope 1871 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
"Axestus byssinus" = Axestemys byssinus Cope 1871 turtle
"Trionyx thomasii n. sp." = Plastomenus thomasii Cope 1871 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
 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 - Pangeoemydidae
"Emys shaugnessiana n. sp." = Echmatemys lativertebralis4, Palaeotheca terrestris n. sp., "Emys haydeni" = Echmatemys haydeni5, Palaeotheca polycypha n. gen. n. sp.
"Emys shaugnessiana n. sp." = Echmatemys lativertebralis4 Cope 1877 turtle
AMNH 1069 (holotype), an almost complete shell
Palaeotheca terrestris n. sp. Cope 1871 turtle
"Emys haydeni" = Echmatemys haydeni5 Leidy 1870 turtle
central parts of a carapace and plastron
Palaeotheca polycypha n. gen. n. sp. Cope 1871 turtle
 Testudines -
Hadrianus allabiatus n. sp.2 Cope 1871 turtle
 Testudines - Panemydidae
"Emys wyomingensis" = Chrysemys wyomingensis7
"Emys wyomingensis" = Chrysemys wyomingensis7 Leidy 1869 pond turtle
 Eosuchia -
Naocephalus porrectus n. gen. n. sp.
Naocephalus porrectus n. gen. n. sp. Cope 1871 diapsid
 Squamata -
Protagras lacustris n. gen. n. sp.2
Protagras lacustris n. gen. n. sp.2 Cope 1871 snake