Morales 1 (Paleocene of the United States)

Also known as UCMP locality V77128; UWBM locality C1671; UCMP V77128; UCMP V 77128; UWBM C1671; UWBM C 1671

Where: Garfield County, Montana (47.6° N, 107.0° W)

• Paleocoordinates: 57.5° N, 67.6° W (Wright 2013)

• 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)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

• Subangular, very-fine-grained sandstone with rare fine to medium-sized grains

Size classes: macrofossils, mesofossils

Reposited in the UCMP, UWBM

Collection methods: bulk, surface (float), sieve,

Primary reference: J. R. Claytor, L. N. Weaver, T. S. Tobin and G. P. Wilson Mantilla. 2023. New mammalian local faunas from the first ca. 80 ka of the Paleocene in northeastern Montana and a revised model of biotic recovery from the Cretaceous–Paleogene mass extinction. Journal of Vertebrate Paleontology e2222777 [P. Mannion/P. Mannion]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 231045: authorized by Philip Mannion, entered by Philip Mannion on 02.08.2023

Creative Commons license: CC0 (CC0)

Taxonomic list

Mammalia
 Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940 multituberculate
Mesodma formosa Marsh 1889 multituberculate
Mesodma thompsoni Clemens 1964 multituberculate
Mesodma hensleighi Lillegraven 1969 multituberculate
 Multituberculata - Eucosmodontidae
"Cimexomys gratus" = Stygimys gratus, Stygimys kuszmauli
"Cimexomys gratus" = Stygimys gratus Jepsen 1930 multituberculate
Stygimys kuszmauli Sloan and Van Valen 1965 multituberculate
 Multituberculata -
Cimexomys minor Sloan and Van Valen 1965 multituberculate
 Procreodi - Arctocyonidae
Mimatuta sp. Van Valen 1978 condylarth
Mimatuta minuial Van Valen 1978 condylarth
Oxyprimus erikseni Van Valen 1978 condylarth
Baioconodon sp. Gazin 1941 condylarth
Baioconodon engdahli Archibald 1982 condylarth
 Cimolesta - Cimolestidae
Procerberus formicarum Sloan and Van Valen 1965 eutherian
 Tribosphenida - Herpetotheriidae
Thylacodon montanensis Williamson et al. 2012 marsupial