Titanothere Quarry (Eocene of the United States)

Also known as Duchesneodus Quarry; Duchesne River Quarry; Uinta Quarry
DUPLICATE REF 1438 or 1439

Where: Uintah County, Utah (40.2° N, 109.9° W: paleocoordinates 42.3° N, 100.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lapoint Member (Duchesne River Formation), Duchesnean (40.4 - 37.2 Ma)

Environment/lithology: terrestrial

Primary reference: R. J. Emry. 1981. New material of the Oligocene muroid rodent Nonomys, and its bearing on muroid origins. American Museum Novitates 2712:1-14 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 16861: authorized by John Alroy, entered by John Alroy on 21.09.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• this is not in Halfway Hollow, but in Twelve Mile Draw about two miles to the east
Duchesneodus Quarry is definitely the same as Titanothere Quarry because the type of D. uintensis has been put at both quarries by different authors
Mammalia
 Perissodactyla - Brontotheriidae
Duchesneodus uintensis1 Peterson 1931 brontothere
 Perissodactyla - Hyracodontidae
Hyracodon medius1 Peterson 1934 odd-toed ungulate
 Perissodactyla - Tapiridae
Colodon sp.4 Marsh 1890 tapir
new specimen
 Ungulata - Protoceratidae
Poabromylus kayi n. sp.3 Peterson 1932 protoceratid
see also Wilson 1974
 Acreodi - Mesonychidae
Hessolestes ultimus n. sp.2 Peterson 1931 condylarth
 Hyaenodonta - Hyaenodontidae
Hyaenodon cf. vetus1 Stock 1933 eutherian