UCM locality 92177 (Paleocene of the United States)

Also known as USGSD-2001

Where: Colorado (39.3° N, 108.2° W: paleocoordinates 45.1° N, 89.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Atwell Gulch Member (Fort Union Formation), Tiffanian (61.7 - 56.8 Ma)

• 261 m below the upper contact of the Late Paleocene Fort Union Formation (Atwell Gulch Member), with the Early Eocene Wasatch Formation (Molina Member); Lichtig and Lucas (2015) report this site as Clarkforkian.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; brown, gray sandstone and claystone

• light-grey to light-brown sandstones; olive, purple, dark-reddish-brown claystone; and mudstones that are highly variegated

Size classes: macrofossils, mesofossils

Reposited in the UCM

Primary reference: B. J. Burger. 2013. A new species of the archaic primate Zanycteris from the late Paleocene of western Colorado and the phylogenetic position of the family Picrodontidae. PeerJ 1:e191:1-11 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174227: authorized by Philip Mannion, entered by Philip Mannion on 05.11.2015, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines -
Cardichelyon cf. rogerwoodi Hutchison 2013 turtle
 Primates - Plesiadapidae
Plesiadapis fodinatus Jepsen 1930 primate
Nannodectes gazini Gingerich 1975 primate
 Primates - Picrodontidae
Zanycteris honeyi n. sp. Burger 2013 primate
UCM87378 - type (right maxilla with upper first and second molars)
 Primates - Carpolestidae
Carpodaptes cygneus Russell 1967 primate
 Primates - Paromomyidae
Ignacius sp. Matthew and Granger 1921 primate
Ignacius frugivorus Matthew and Granger 1921 primate
 Tribosphenida - Phenacodontidae
Phenacodus magnus Thewissen 1990 condylarth
Phenacodus grangeri Simpson 1935 condylarth
 Tribosphenida - Nyctitheriidae
Leptacodon tener Matthew and Granger 1921 placental
 Ferae - Viverravidae
Protictis proteus, "Protictis cf. schaffi" = Viverravus schaffi
"Protictis cf. schaffi" = Viverravus schaffi Gingerich and Winkler 1985 placental
 Ferae - Metacheiromyidae
Propalaeanodon sp. Rose 1979 placental
 Macroscelidea - Apheliscidae
Litomylus ishami Gazin 1956 elephant shrew
"Haplaletes serior" = Utemylus serior Gazin 1956 elephant shrew
Phenacodaptes sabulosus Jepsen 1930 elephant shrew
Haplomylus simpsoni Rose 1981 elephant shrew
 Tribosphenida - Arctocyonidae
"Arctocyonides mumak" = Arctocyon mumak, Thryptacodon australis
"Arctocyonides mumak" = Arctocyon mumak Van Valen 1978 condylarth
Thryptacodon australis Simpson 1935 condylarth
 Acreodi - Mesonychidae
cf. Sinonyx sp. Zhou et al. 1995 condylarth
 Multituberculata - Neoplagiaulacidae
Ectypodus musculus Matthew and Granger 1921 multituberculate
 Multituberculata - Ptilodontidae
Ptilodus kummae Krause 1977 multituberculate