Luck O Hutch (Paleocene of the United States)

Also known as UCMP V-88306; V88036

Where: McCone County, Montana (47.8° N, 106.1° W: paleocoordinates 54.0° N, 80.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pu1 mammal zone, Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: D. L. Lofgren. 1995. The Bug Creek problem and the Cretaceous-Tertiary transition at McGuire Creek, Montana. University of California Publications in Geological Sciences 140:1-185 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14759: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• one of only two Tullock localities in Lofgren's field area
overlies the MCZ coal, dated by Swisher et al. 1993 at 65.03 +/- 0.04 Ma (SCLF AA on sanidine)
Mammalia
 Theriamorpha - Leptictidae
? Prodiacodon crustulum Novacek 1977 eutherian
 Cimolesta - Cimolestidae
Procerberus formicarum Sloan and Van Valen 1965 eutherian
Procerberus cf. grandis Middleton and Dewar 2004 eutherian
 Theriamorpha - Periptychidae
Periptychidae indet. Cope 1882 condylarth
 Procreodi - Arctocyonidae
Protungulatum donnae Sloan and Van Valen 1965 condylarth
Mimatuta sp. Van Valen 1978 condylarth
Mimatuta morgoth Van Valen 1978 condylarth
 Multituberculata - Eucosmodontidae
"Cimexomys gratus" = Stygimys gratus
"Cimexomys gratus" = Stygimys gratus Jepsen 1930 multituberculate
 Multituberculata -
Cimexomys minor Sloan and Van Valen 1965 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940 multituberculate
Mesodma hensleighi Lillegraven 1969 multituberculate
Mesodma formosa Marsh 1889 multituberculate
Mesodma thompsoni Clemens 1964 multituberculate