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

Where: Sweetwater and Carbon County, Wyoming (41.8° N, 108.0° W: paleocoordinates 45.5° N, 94.1° W)

• 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: CC BY (attribution)

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
 Theriamorpha - Peradectidae
cf. Peradectes chesteri1
cf. Peradectes chesteri1 Gazin 1952 marsupial
 Theriamorpha - Herpetotheriidae
Herpetotherium knighti1
Herpetotherium knighti1 McGrew et al. 1959 marsupial
 Condylarthra - Hyopsodontidae
Hyopsodus powellianus1
Hyopsodus powellianus1 Cope 1884 condylarth
 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
 Creodonta -
Prolimnocyon antiquus4, Iridodon datzae n. gen. n. sp.4
Prolimnocyon antiquus4 Matthew and Granger 1915 creodont
"Its occurrence in the same locality as I. datzae..."
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."
 Theriamorpha - Viverravidae
Didymictis altidens, Viverravus lutosus
Didymictis altidens Cope 1880 placental
Viverravus lutosus Gazin 1952 placental
 Theriamorpha - Pantolestoidae
Palaeosinopa cf. didelphoides
Palaeosinopa cf. didelphoides Cope 1881 placental
 Rodentia - Ischyromyidae
Paramys excavatus2, Paramys copei
Paramys excavatus2 Loomis 1907 rodent
Paramys copei Loomis 1907 rodent
includes "P. major"
 Rodentia - Sciuravidae
Knightomys huerfanensis2, Knightomys depressus3, Sciuravus wilsoni
Knightomys huerfanensis2 Wood 1962 rodent
Knightomys depressus3 Loomis 1907 rodent
some specimens of Sciuravus wilsoni; K. senior is listed by Black and Sutton 1984; includes type of "Microparamys cathedralis"
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 delicatissimus2, Reithroparamys huerfanensis2
Reithroparamys huerfanensis2 Wood 1962 rodent
 Primates - Notharctidae
Notharctus cf. venticolus
Notharctus cf. venticolus Osborn 1902 primate
 Primates - Omomyidae
Artimonius witteri5
Artimonius witteri5 Morris 1954 tarsier
 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