Oil House (Eocene of the United States)

Also known as T4; TMM 40143

Where: Brewster County, Texas (29.4° N, 103.1° W: paleocoordinates 33.7° N, 89.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hannold Hill Formation (Big Bend Group), Wasatchian (55.8 - 50.3 Ma)

• quarry site, 370 ft above base of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by J. Wilson, M. McKenna, G. Whitaker in 1952, 1962–1963; reposited in the TMM

Collection methods: surface (in situ),

Primary reference: J. A. Wilson. 1967. Early Tertiary mammals. In R. A. Maxwell, J. T. Lonsdale, R. T. Hazzard, & J. A. Wilson (eds.), Geology of Big Bend National Park, Brewster County, Texas. The University of Texas Publication 6711:157-169 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15847: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• appears to be the only fossiliferous Hannold Hill Fm. site
Graybullian or Lysitean
Mammalia
 Cimolesta - Coryphodontidae
Coryphodon armatus1 Cope 1872 pantodont
BEG 40143-6, 30
 Primates - Paromomyidae
Phenacolemurinae indet.1 Simpson 1955 primate
 Rodentia - Ischyromyidae
Paramys excavatus2 Loomis 1907 rodent
 Condylarthra - Hyopsodontidae
Hyopsodus sp.1 Leidy 1870 condylarth
Hyopsodus cf. wortmani2 Osborn 1902 condylarth
 Tribosphenida - Phenacodontidae
Phenacodus sp.1 Cope 1873 condylarth
BEG 40143-1
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
BEG 40143-2, 14