PBDB Collection

Huerfano III (Eocene of the United States)

Also known as CCC Draw; Milligan's Arroyo; UCM locality 77032

Where: Huerfano County, Colorado (37.8° N, 105.1° W: paleocoordinates 41.3° N, 91.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Huerfano Formation, Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: P. Robinson. 1966. Fossil Mammalia of the Huerfano Formation, Eocene, of Colorado. Peabody Museum of Natural History Bulletin 21:1-95 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16241: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• Gardnerbuttean

Show authors, comments, and common names

Reptilia
Testudines - Kinosternoidea	"Baltemys velogastros n. sp." = Baltemys staurogastros⁶ "Baltemys velogastros n. sp." = Baltemys staurogastros⁶ Hutchison 1991 mud turtle
Testudines - Trionychidae	Trionychidae indet.⁶ Trionychidae indet.⁶ Gray 1825 softshell turtle
Testudines - Pantrionychidae	? Plastomenus lachrymalis⁶ ? Plastomenus lachrymalis⁶ Cope 1875 turtle
Mammalia
Condylarthra - Hyopsodontidae	Hyopsodus paulus Hyopsodus paulus Leidy 1870 condylarth includes "H. wortmani": Redline 1997
Primates - Omomyidae	Artimonius australis⁷, Absarokius metoecus³, Uintanius rutherfurdi² Artimonius australis⁷ Bown and Rose 1987 tarsier Absarokius metoecus³ Bown and Rose 1987 tarsier Uintanius rutherfurdi² Robinson 1966 tarsier
Primates - Microsyopidae	Megadelphus lundeliusi¹, Microsyops cf. scottianus⁴ Megadelphus lundeliusi¹ White 1952 primate Microsyops cf. scottianus⁴ Cope 1881 primate
Primates - Notharctidae	Notharctinae indet.¹ Notharctinae indet.¹ Trouessart 1879 primate
Rodentia - Ischyromyidae	Paramys copei, Quadratomus grandis¹, Thisbemys perditus⁵, Leptotomus cf. parvus¹ Paramys copei Loomis 1907 rodent Quadratomus grandis¹ Wood 1962 rodent Thisbemys perditus⁵ Wood 1962 rodent Leptotomus cf. parvus¹ Wood 1959 rodent
Rodentia - Sciuravidae	Sciuravidae indet., Knightomys depressus⁵, Knightomys huerfanensis¹ Sciuravidae indet. Miller and Gidley 1918 rodent Knightomys depressus⁵ Loomis 1907 rodent Knightomys huerfanensis¹ Wood 1962 rodent
Theriamorpha - Nyctitheriidae	"Scenopagus priscus" = Nyctitherium priscum, Nyctitherium cf. velox "Scenopagus priscus" = Nyctitherium priscum Marsh 1872 placental described by Krishtalka 1976a, who disputes assignment of specimen to to Talpavus sp. by Russell et al. 1975 Nyctitherium cf. velox Marsh 1872 placental described by Krishtalka 1976b
Acreodi - Mesonychidae	Mesonyx obtusidens Mesonyx obtusidens Cope 1872 condylarth
Theriamorpha -	Oodectes herpestoides Oodectes herpestoides Wortman 1901 placental
Theriamorpha - Viverravidae	Viverravus gracilis Viverravus gracilis Marsh 1872 placental
Creodonta - Oxyaenidae	Patriofelis ulta Patriofelis ulta Leidy 1870 creodont
Artiodactyla - Homacodontidae	Antiacodon pygmaeus Antiacodon pygmaeus Cope 1872 even-toed ungulate "Antiacodon pygmaeus huerfanensis":
Perissodactyla - Palaeotheriidae	Hyracotherium vasacciense Hyracotherium vasacciense Cope 1872 odd-toed ungulate "Hyracotherium vasacciense vasacciense":
Cimolesta - Esthonychidae	Trogosus grangeri Trogosus grangeri Gazin 1953 tillodont
Dinocerata - Uintatheriidae	Bathyopsis fissidens Bathyopsis fissidens Cope 1881 uintathere
Scenopagus edenensis
-	Scenopagus edenensis Scenopagus edenensis McGrew et al. 1959 described by Krishtalka 1976a

¹Alroy 2002; ²Beard et al. 1992; ³Bown and Rose 1987; ⁴Gunnell 1989; ⁵Korth 1984; ⁶Lichtig and Lucas 2015; ⁷Muldoon and Gunnell 2002