Henry's Fork Hill (Bridger D) (Eocene of the United States)

Also known as Cedar Mountain; Henry's Fork Table

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 45.6° N, 95.1° W)

• coordinate based on political unit

When: upper Member (Bridger Formation), Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial

Primary reference: W. D. Matthew. 1909. The Carnivora and Insectivora of the Bridger Basin, middle Eocene. Memoirs of the American Museum of Natural History 9:289-567 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 16236: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Philip Mannion and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• not the same as North of Cedar Mountain (see)
Reptilia
 Crocodylia - Planocraniidae
"Pristichampsus vorax" = Boverisuchus vorax3
"Pristichampsus vorax" = Boverisuchus vorax3 Troxell 1925 crocodilian
AMNH 2090 (fragmentary skeleton)
Mammalia
 Cimolesta - Apatemyidae
Apatemys bellus Marsh 1872 eutherian
"upper part of Bridger D"; type is from Henry's Fork area according to Gazin 1958a, and I believe Matthew would not have referred non- Henry's Fork material without mentioning its provenance
 Condylarthra - Hyopsodontidae
Hyopsodus paulus1 Leidy 1870 condylarth
 Creodonta -
"Thinocyon medius" = Limnocyon medius4
"Thinocyon medius" = Limnocyon medius4 Wortman 1902 creodont
"Henrys Fork, Twin Buttes Member, Upper Bridger Formation" also "Br-3"
 Perissodactyla - Brontotheriidae
Palaeosyops robustus5, Palaeosyops fontinalis1, "Telmatherium cultridens n. sp." = Telmatherium validus5
Palaeosyops robustus5 Marsh 1872 brontothere
referred material from D3, D4
Palaeosyops fontinalis1 Cope 1873 brontothere
"Telmatherium cultridens n. sp." = Telmatherium validus5 Marsh 1872 brontothere
upper Bridger, and referred specimen from Bridger D3; type is said to be from Henry's Fork Divide by Gazin 1976
 Artiodactyla - Helohyidae
Helohyus lentus6 Marsh 1871 even-toed ungulate
Henry's Fork Hill, Bridger D3; i.d. confirmed by West 1984
 Artiodactyla - Homacodontidae
Homacodon vagans n. sp.7 Marsh 1872 even-toed ungulate
Bridger D
Microsus sp.6 Leidy 1870 even-toed ungulate
Bridger D4
Antiacodon venustus n. sp.7 Marsh 1872 even-toed ungulate
Bridger D
 Primates - Omomyidae
Uintanius ameghini1 Wortman 1904 tarsier
 Primates - Microsyopidae
Uintasorex parvulus n. sp. Matthew 1909 primate
from Bridger D; Henry's Fork area according to Gazin 1958a, Szalay 1969c
 Primates - Notharctidae
Notharctus robustior2 Leidy 1872 primate
Bridger D4; see also Robinson 1957
 Dinocerata - Uintatheriidae
Uintatherium anceps8 Marsh 1871 uintathere
Bridger D4