Trochu (KUA-3) (Cretaceous of Canada)

Where: Alberta, Canada (51.8° N, 113.0° W: paleocoordinates 59.5° N, 84.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Scollard Formation, Lancian (70.6 - 66.0 Ma)

Environment/lithology: terrestrial; gray claystone

• "light gray clays"

Size class: mesofossils

Collected by R. C. Fox in 1964, 1967

Primary reference: J. A. Lillegraven. 1969. Latest Cretaceous mammals of upper part of Edmonton Formation of Alberta, Canada, and review of marsupial-placental dichotomy in mammalian evolution. University of Kansas Paleontological Contributions 50:1-122 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14632: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma hensleighi Lillegraven 1969 multituberculate
Mesodma formosa Marsh 1889 multituberculate
 Multituberculata -
"Cimexomys priscus" = Paracimexomys priscus
"Cimexomys priscus" = Paracimexomys priscus Lillegraven 1969 multituberculate
 Theriamorpha - Gypsonictopidae
Gypsonictops illuminatus Lillegraven 1969 eutherian
 Cimolesta - Cimolestidae
"Cimolestes cerberoides" = Ambilestes cerberoides, Batodon tenuis
"Cimolestes cerberoides" = Ambilestes cerberoides Lillegraven 1969 eutherian
Batodon tenuis Marsh 1892 eutherian
 Theriamorpha - Alphadontidae
Alphadon sp.1 Simpson 1927 metatherian
Reptilia
 Squamata -
Colpodontosaurus cracens2 Estes 1964 squamates
UALVP 33388 (left dentary)
 Squamata - Anguidae
Odaxosaurus piger2 Gilmore 1928 squamates
UALVP 33381 (dentary)
 Squamata - Chamopsiidae
Chamops segnis2 Marsh 1892 squamates
Partial dentaries (UALVP 29842-29843)