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 - Trionychidae	Trionychidae indet.⁶ Trionychidae indet.⁶ Gray 1825 softshell turtle
Testudines - Pantrionychidae	? Plastomenus lachrymalis⁶ ? Plastomenus lachrymalis⁶ Cope 1875 turtle
Testudines - Kinosternoidea	"Baltemys velogastros n. sp." = Baltemys staurogastros⁶ "Baltemys velogastros n. sp." = Baltemys staurogastros⁶ Hutchison 1991 mud turtle
Mammalia
Cimolesta - Esthonychidae	Trogosus grangeri Trogosus grangeri Gazin 1953 tillodont
Condylarthra - Hyopsodontidae	Hyopsodus paulus Hyopsodus paulus Leidy 1870 condylarth includes "H. wortmani": Redline 1997
Rodentia - Ischyromyidae	Paramys copei, Leptotomus cf. parvus¹, Quadratomus grandis¹, Thisbemys perditus⁵ Paramys copei Loomis 1907 rodent Leptotomus cf. parvus¹ Wood 1959 rodent Quadratomus grandis¹ Wood 1962 rodent Thisbemys perditus⁵ Wood 1962 rodent
Rodentia - Sciuravidae	Sciuravidae indet., Knightomys huerfanensis¹, Knightomys depressus⁵ Sciuravidae indet. Miller and Gidley 1918 rodent Knightomys huerfanensis¹ Wood 1962 rodent Knightomys depressus⁵ Loomis 1907 rodent
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
Primates - Omomyidae	Uintanius rutherfurdi², Absarokius metoecus³, Artimonius australis⁷ Uintanius rutherfurdi² Robinson 1966 tarsier Absarokius metoecus³ Bown and Rose 1987 tarsier Artimonius australis⁷ Bown and Rose 1987 tarsier
Acreodi - Mesonychidae	Mesonyx obtusidens Mesonyx obtusidens Cope 1872 condylarth
Perissodactyla - Palaeotheriidae	Hyracotherium vasacciense Hyracotherium vasacciense Cope 1872 odd-toed ungulate "Hyracotherium vasacciense vasacciense":
Artiodactyla - Homacodontidae	Antiacodon pygmaeus Antiacodon pygmaeus Cope 1872 even-toed ungulate "Antiacodon pygmaeus huerfanensis":
Creodonta - Oxyaenidae	Patriofelis ulta Patriofelis ulta Leidy 1870 creodont
Ferae - Viverravidae	Viverravus gracilis Viverravus gracilis Marsh 1872 placental
Ferae -	Oodectes herpestoides Oodectes herpestoides Wortman 1901 placental
Soricomorpha - Nyctitheriidae	Nyctitherium cf. velox, "Scenopagus priscus" = Nyctitherium priscum Nyctitherium cf. velox Marsh 1872 placental described by Krishtalka 1976b "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
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