Yellow Sand Hill 7 (UCMP V-75193) (Paleocene of the United States)

Also known as Garbani Quarry

Where: Garfield County, Montana (47.6° N, 107.0° W: paleocoordinates 53.9° N, 81.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pu3 zone, Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: "channel"; yellow siltstone and sandstone

• "buff to yellowish silts and sands deposited in stacked channels... Dramatic cross-cutting"

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: A. Weil. 1998. A new species of Microcosmodon (Mammalia: Multituberculata)from the Paleocene Tullock Formation of Montana, and an argument for the Microcosmodontinae. PaleoBios 18(2/3):1-15 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14800: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Patricia Holroyd and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• within the Garbani channel facies
Show authors, comments, and common names
Mammalia
 Cimolesta - Cimolestidae
Betonnia cf. tsosia2
Betonnia cf. tsosia2 Williamson et al. 2011 eutherian
UCMP 218917, 218918
 Theriamorpha - Leptictidae
Prodiacodon crustulum1
Prodiacodon crustulum1 Novacek 1977 eutherian
 Multituberculata - Microcosmodontidae
Microcosmodon harleyi n. sp.
Microcosmodon harleyi n. sp. Weil 1998 multituberculate
1Clemens 2015; 2Clemens 2019