ammonites
Meniscoessus collomensis Lillegraven 1987 (mammal)

Mammalia - Allotheria - Cimolomyidae

Full reference: J. A. Lillegraven. 1987. Stratigraphic and evolutionary implications of a new species of Meniscoessus (Multituberculata, Mammalia) from the Upper Cretaceous Williams Fork Formation, Moffat County, Colorado. Dakoterra 3:46-56

Belongs to Meniscoessus according to J. A. Lillegraven 1987

Sister taxa: Meniscoessus conquistus, Meniscoessus ferox, Meniscoessus intermedius, Meniscoessus major, Meniscoessus robustus, Meniscoessus seminoensis

Type specimen: Its type locality is Jubb Creek, which is in an Edmontonian fluvial-deltaic mudstone/sandstone in the Williams Fork Formation of Colorado

Ecology: scansorial insectivore

Average measurements (in mm): m1 6.34 x 3.13