Where: Hill County, Montana (48.9° N, 110.6° W: paleocoordinates 56.2° N, 76.2° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: McClelland Ferry Member (Judith River Formation), Middle Campanian (83.5 - 70.6 Ma)

• base of a series of cyclical deposits within the "Foremost" formation; probably McClelland Ferry Mbr. Judithian based on fauna

• bed-level stratigraphic resolution

Environment/lithology: mire or swamp; shelly/skeletal, green mudstone and coal

Size class: mesofossils

Collected by W. Clemens et al. in 1980-1981; reposited in the UCMP

Collection methods: bulk, quarrying, mechanical, sieve,

Primary reference: W. A. Clemens and M. B. Goodwin. 1985. Vertebrate paleontology of the Judith River Formation, Montana. National Geographic Society Research Reports (1980-1983) 21:71-78 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14482: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano and Philip Mannion

Creative Commons license: CC BY (attribution)