WU-50 (Eocene of the United States)

Where: Uintah County, Utah (40.1° N, 109.3° W: paleocoordinates 42.9° N, 98.2° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Myton Member (Uinta Formation), Uintan (46.2 - 39.7 Ma)

• reported as 361 meters in measured section of Townsend et al. 2006. Stratigraphic distribution of upper Middle Eocene vertebrate localities in the eastern Uinta Basin, Utah, with comment on Uintan biostratigraphy. Mountain Geologist 2006 43:115–134; depicted as high in Uinta C and Myton Mbr. in Adrian et al. 2021

Environment/lithology: terrestrial; mudstone

• colorful red, white, and orange beds above a marker sandstone

Size class: macrofossils

Primary reference: B. Adrian, P. A. Holroyd, J. H. Hutchison and K.E.B. Townsend. 2020. Additional records and stratigraphic distribution of the middle Eocene carettochelyid turtle Anosteira pulchra from the Uinta Formation of Utah, North America. PeerJ 8(e9775):1-27 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 213059: authorized by Patricia Holroyd, entered by Patricia Holroyd on 24.08.2020, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Reptilia
 Loricata -
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Carettochelyidae
Anosteira pulchra Clark 1932 turtle
 Testudines - Testudinidae
Testudinidae indet. Batsch 1788 turtle
 Testudines - Geoemydidae
Echmatemys callopyge Hay 1908 turtle
Bridgeremys pusilla Hay 1908 turtle
UMNH VP 27199 Right costal 1, neural 3, two posterior peripherals, partial indeterminate neural, left peripheral 3, and shell fragments, 26503 Cf. right peripheral 10, 30561 Entoplastron
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
Mammalia
 Placentalia -
Carnivora indet. Bowdich 1821 carnivoran
Artiodactyla indet. even-toed ungulate
 Artiodactyla - Agriochoeridae
Diplobunops sp. Peterson 1919 agriochoerid
Protoreodon sp. Scott and Osborn 1887 agriochoerid
Pisces
  -
"Pisces indet." = Osteichthyes
"Pisces indet." = Osteichthyes Huxley 1880 bony fish
Echmatemys wyomingensis
  -