Bone-anza (Eocene of the United States)

Also known as UCM 78049; Kay's Locality; Scenery Gulch; Shooty Gulch; Tschuddi Gulch; 3 miles north of the mouth of Blacks Gulch

Where: Rio Blanco County, Colorado (40.0° N, 107.9° W: paleocoordinates 44.8° N, 91.8° W)

• coordinate based on political unit

When: DeBeque Formation, Wasatchian (55.8 - 50.3 Ma)

• said to be middle Wasatchian

Environment/lithology: terrestrial

Primary reference: A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15225: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Microsyopidae
Microsyops cf. latidens Cope 1882 primate
 Primates - Notharctidae
Cantius abditus Gingerich and Simons 1977 primate
 Leptictida - Leptictidae
Prodiacodon tauricinerei Jepsen 1930 eutherian
Palaeictops cf. bicuspis Cope 1880 eutherian
 Rodentia - Ischyromyidae
Paramys excavatus Loomis 1907 rodent
Paramys copei Loomis 1907 rodent
Lophiparamys debequensis Wood 1962 rodent
Thisbemys cf. perditus Wood 1962 rodent
Mytonomys coloradensis1 Wood 1962 rodent
 Perissodactyla -
Heptodon sp. Cope 1882 odd-toed ungulate
small
 Perissodactyla - Equidae
Xenicohippus grangeri Bown and Kihm 1981 horse
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
"C" and "E"
 Tribosphenida -
Diacodon cf. alticuspis Cope 1875 placental
 Ferae - Viverravidae
Didymictis sp.1 Cope 1875 placental
Viverravus lutosus Gazin 1952 placental
 Macroscelidea - Amphilemuridae
Macrocranion nitens Matthew 1918 elephant shrew
 Trogontia - Esthonychidae
Esthonyx sp. Cope 1874 tillodont
Esthonyx bisulcatus Cope 1874 tillodont
 Ungulata - Hyopsodontidae
Hyopsodus lysitensis4 Gingerich 1974 condylarth
Hyopsodus powellianus4 Cope 1884 condylarth
Scenery Gulch
 Ungulata - Diacodexeidae
Diacodexis cf. metsiacus3 Cope 1882 even-toed ungulate
Simpsonodus chacensis3 Cope 1875 even-toed ungulate
 Ungulata - Phenacodontidae
Phenacodus cf. vortmani Cope 1880 condylarth
 Hyaenodonta - Hyaenodontidae
Prototomus cf. martis2 Gingerich and Deutsch 1989 eutherian