PBDB Collection

Flattop Quarry (Eocene of the United States)

Also known as USGS D-1033

Where: Hot Springs County, Wyoming (43.7° N, 108.7° W)

• Paleocoordinates: 50.9° N, 84.4° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: Aycross Formation, Bridgerian (51.1 - 45.9 Ma)

Environment/lithology: terrestrial

Reposited in the USGS

Primary reference: T. M. Bown. 1982. Geology, Paleontology, and Correlation of Eocene Volcaniclastic Rocks, Southeast Absaroka Range, Hot Springs County, Wyoming. United States Geological Survey Professional Paper 1201-A:A1-A75 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16223: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Mammalia
Condylarthra - Hyopsodontidae	Hyopsodus cf. paulus Hyopsodus cf. paulus Leidy 1870 condylarth
Artiodactyla - Homacodontidae	Antiacodon pygmaeus Antiacodon pygmaeus Cope 1872 even-toed ungulate
Perissodactyla -	cf. Helaletes nanus cf. Helaletes nanus Marsh 1871 odd-toed ungulate
Perissodactyla - Brontotheriidae	"Eotitanops minimus" = Eotitanops gregoryi³ "Eotitanops minimus" = Eotitanops gregoryi³ Osborn 1913 brontothere
Perissodactyla - Equidae	Orohippus sp. Orohippus sp. Marsh 1872 horse
Acreodi - Hapalodectidae	Hapalorestes lovei n. sp.² Hapalorestes lovei n. sp.² Gunnell and Gingerich 1996 condylarth new specimen
Ferae - Oxyaenidae	Patriofelis sp. Patriofelis sp. Leidy 1870 placental
Hyaenodonta - Hyaenodontidae	Proviverroides piercei Proviverroides piercei Bown 1982 placental
Primates - Microsyopidae	Microsyops cf. elegans Microsyops cf. elegans Marsh 1871 primate
Primates - Notharctidae	Notharctus sp. Notharctus sp. Leidy 1870 primate
Primates - Omomyidae	Gazinius amplus Gazinius amplus Bown 1979 tarsier
Rodentia - Ischyromyidae	cf. Thisbemys sp., Thisbemys corrugatus, Pseudotomus robustus⁴ cf. Thisbemys sp. Wood 1959 rodent Thisbemys corrugatus Wood 1959 rodent Pseudotomus robustus⁴ Marsh 1872 rodent
Rodentia - Paramyidae	Paramyidae indet.¹ Paramyidae indet.¹ Miller and Gidley 1918 rodent
Leptictida - Leptictidae	Palaeictops cf. bridgeri Palaeictops cf. bridgeri Simpson 1959 eutherian
Cimolesta - Esthonychidae	Trogosus sp. Trogosus sp. Leidy 1871 tillodont
Allotheria -	? Multituberculata indet. ? Multituberculata indet. Cope 1884 multituberculate

¹Alroy 2002; ²Gunnell and Gingerich 1996; ³Gunnell and Yarborough 2000; ⁴Korth 1985