PBDB Collection

Donna's Locality (Eocene of the United States)

Also known as University of Colorado Museum Loc. 92189; Cedar Mountain

Where: Uinta County, Wyoming (41.1° N, 110.1° W: paleocoordinates 43.9° N, 99.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Turtle Bluff Member (Bridger Formation), Early/Lower Uintan (46.2 - 39.7 Ma)

• "two meters above the base of the Turtle Bluff Member" eight meters above the Basal E Tuff, which is dated at "46.16 ± 0.44 Ma using 40Ar/39Ar analysis"; "earliest Uintan" based on faunal composition

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; claystone

• Turtle Bluff Member consists of "predominant variegated red, green, and gray claystone and mudstone with lesser amounts of grayish-white tuffaceous sandstone and gray and brown limestone, and with high gypsum content" and bed is shown as a claystone in an illustrated section

Size class: macrofossils

Collected by D. Engard in 1992; reposited in the UCM

Primary reference: P. C. Murphey and R. H. Dunn. 2009. Hemiacodon engardae, a new species of omomyid primate from the earliest Uintan Turtle Bluff Member of the Bridger Formation, southwestern Wyoming, USA. Journal of Human Evolution 57(2):123-130 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93087: authorized by John Alroy, entered by John Alroy on 01.01.2010, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• only selected taxa are reported

Show authors, comments, and common names

Mammalia
Rodentia - Eomyidae	Metanoiamys sp. Metanoiamys sp. Chiment and Korth 1996 rodent
Primates - Omomyidae	Hemiacodon engardae n. sp. Hemiacodon engardae n. sp. Murphey and Dunn 2009 tarsier
Perissodactyla - Hyracodontidae	Triplopus cf. obliquidens¹ Triplopus cf. obliquidens¹ Scott and Osborn 1887 odd-toed ungulate
Artiodactyla - Oromerycidae	? Merycobunodon walshi n. sp.¹ ? Merycobunodon walshi n. sp.¹ Murphey and Kelly 2017 even-toed ungulate said to be a new genus
Artiodactyla - Homacodontidae	Homacodon cf. vagans¹ Homacodon cf. vagans¹ Marsh 1872 even-toed ungulate
Ferae - Viverravidae	Viverravus gracilis¹ Viverravus gracilis¹ Marsh 1872 placental
Soricomorpha - Nyctitheriidae	Nyctitherium gunnelli¹, "Scenopagus curtidens" = Nyctitherium curtidens¹, "Scenopagus priscus" = Nyctitherium priscum¹, Nyctitherium velox¹, Pontifactor bestiola¹ Nyctitherium gunnelli¹ Murphey and Kelly 2017 placental "Scenopagus curtidens" = Nyctitherium curtidens¹ Matthew 1909 placental "Scenopagus priscus" = Nyctitherium priscum¹ Marsh 1872 placental Nyctitherium velox¹ Marsh 1872 placental Pontifactor bestiola¹ West 1974 placental
Soricomorpha - Oligoryctidae	Oligoryctidae indet.¹ Oligoryctidae indet.¹ Asher et al. 2002 placental "unnamed apternodontid sp."
Soricomorpha - Geolabididae	Centetodon bembicophagus¹, Centetodon pulcher¹ Centetodon bembicophagus¹ Lillegraven et al. 1981 placental Centetodon pulcher¹ Marsh 1872 placental
Tribosphenida - Erinaceidae	Entomolestes westgatei n. sp.¹ Entomolestes westgatei n. sp.¹ Murphey and Kelly 2017 hedgehog
Condylarthra - Hyopsodontidae	Hyopsodus lepidus¹ Hyopsodus lepidus¹ Matthew 1909 condylarth
Cimolesta - Apatemyidae	Apatemys rodens¹, Apatemys bellulus¹ Apatemys rodens¹ Troxell 1923 eutherian Apatemys bellulus¹ Marsh 1872 eutherian
Tribosphenida - Peradectidae	Peradectes chesteri² Peradectes chesteri² Gazin 1952 marsupial
Tribosphenida - Herpetotheriidae	Herpetotherium knighti² Herpetotherium knighti² McGrew et al. 1959 marsupial

¹Murphey and Kelly 2017; ²Murphey et al. 2018