PBDB Collection

Cathedral Bluffs (UNSM) (Eocene of the United States)

Where: Sweetwater and Carbon County, Wyoming (41.8° N, 108.0° W)

• Paleocoordinates: 48.9° N, 84.4° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: Cathedral Bluffs Tongue Member (Wasatch Formation), Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the UNSM

Primary reference: C. L. Gazin. 1965. Early Eocene mammalian faunas and their environment in the vicinity of the Rock Springs Uplift, Wyoming. Wyoming Geological Association Guidebook 19:171-180 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16198: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Jonathan Marcot

Creative Commons license: CC0 (CC0)

Taxonomic list

• includes the collection described by Morris 1954; unrelated to the collections made by West in the Green River Basin Lostcabinian according to Gazin, but Bridgerian based on occurrence of Palaeosyops

Show authors, comments, and common names

Mammalia
Tribosphenida - Peradectidae	cf. Peradectes chesteri¹ cf. Peradectes chesteri¹ Gazin 1952 marsupial
Tribosphenida - Herpetotheriidae	Herpetotherium knighti¹ Herpetotherium knighti¹ McGrew et al. 1959 marsupial
Condylarthra - Hyopsodontidae	Hyopsodus powellianus¹ Hyopsodus powellianus¹ Cope 1884 condylarth
Tribosphenida - Pantolestoidae	Palaeosinopa cf. didelphoides Palaeosinopa cf. didelphoides Cope 1881 placental
Ferae - Viverravidae	Didymictis altidens, Viverravus lutosus Didymictis altidens Cope 1880 placental Viverravus lutosus Gazin 1952 placental
Creodonta -	Iridodon datzae n. gen. n. sp.⁴, Prolimnocyon antiquus⁴ Iridodon datzae n. gen. n. sp.⁴ Morlo and Gunnell 2003 creodont "UM locality SP-5, Sweetwater County, South Pass, Green River Basin, Wyoming; Wasatch Formation, Cathedral Bluffs Tongue, Gardnerbuttean, Bridgerian biochron Br-1a." Prolimnocyon antiquus⁴ Matthew and Granger 1915 creodont "Its occurrence in the same locality as I. datzae..."
Placentalia -	Perissodactyla indet.¹ Perissodactyla indet.¹ Owen 1848 odd-toed ungulate
Perissodactyla - Hyrachyidae	Hyrachyus cf. modestus Hyrachyus cf. modestus Leidy 1870 odd-toed ungulate
Perissodactyla - Brontotheriidae	cf. Palaeosyops fontinalis cf. Palaeosyops fontinalis Cope 1873 brontothere confirmed by Gunnell and Yarborough 2000; said to be "P. huerfanensis" by Stucky 1984c; I assume he refers to Gazin's Cathedral Bluffs locality because there are no brontotheres at the Green locality
Perissodactyla - Palaeotheriidae	Hyracotherium vasacciense Hyracotherium vasacciense Cope 1872 odd-toed ungulate
Artiodactyla - Homacodontidae	Hexacodus pelodes Hexacodus pelodes Gazin 1952 even-toed ungulate
Primates - Notharctidae	Notharctus cf. venticolus Notharctus cf. venticolus Osborn 1902 primate
Primates - Omomyidae	Artimonius witteri⁵ Artimonius witteri⁵ Morris 1954 tarsier
Rodentia - Sciuravidae	Knightomys depressus³, Knightomys huerfanensis², Sciuravus wilsoni Knightomys depressus³ Loomis 1907 rodent some specimens of Sciuravus wilsoni; K. senior is listed by Black and Sutton 1984; includes type of "Microparamys cathedralis" Knightomys huerfanensis² Wood 1962 rodent Sciuravus wilsoni Gazin 1961 rodent note that S. nitidus is reported by Roehler 1991b from the CB Mbr on the east edge of the basin, near to but several miles west of a CB locality indicated by Gazin
Rodentia - Reithroparamyidae	Reithroparamys huerfanensis², Reithroparamys delicatissimus² Reithroparamys huerfanensis² Wood 1962 rodent Reithroparamys delicatissimus² Leidy 1871 rodent
Rodentia - Ischyromyidae	Paramys copei, Paramys excavatus² Paramys copei Loomis 1907 rodent includes "P. major" Paramys excavatus² Loomis 1907 rodent
Cimolesta - Esthonychidae	? Trogosus cf. latidens ? Trogosus cf. latidens Marsh 1874 tillodont described by Gazin 1953

¹Alroy 2002; ²Black and Sutton 1984; ³Korth 1984; ⁴Morlo and Gunnell 2003; ⁵Muldoon and Gunnell 2002