PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Ambilestes cerberoides

Mammalia - Cimolestidae

Taxonomy

Cimolestes cerberoides was named by Lillegraven (1969). Its type specimen is UA 2973, a maxilla (Incomplete left maxilla containing P3–4, M1–2), and it is a 3D body fossil. Its type locality is Trochu (KUA-1), which is in a Lancian terrestrial claystone/siltstone in the Scollard Formation of Canada. It is the type species of Ambilestes.

It was recombined as Ambilestes cerberoides by Fox (2015).

Year	Name and author
1969	Cimolestes cerberoides Lillegraven pp. 61-62 figs. 31, 1-3; 32, 4; 33, 1-6
1979	Cimolestes cerberoides Kielan-Jaworowska et al. p. 223
2004	Cimolestes cerberoides Kielan-Jaworowska et al. pp. 494, 507
2015	Ambilestes cerberoides Fox

Time interval	Ma	Country or state	Original ID and collection number
Lancian	72.2 - 66.0	Canada (Saskatchewan)	Cimolestes cerberoides (14584)
Lancian	72.2 - 66.0	USA (Montana)	Cimolestes cerberoides (14654)
Lancian	72.2 - 66.0	Canada (Alberta)	Cimolestes cerberoides (type locality: 14630 14632 14633 14634 14636 14637)
Puercan	66.0 - 63.8	USA (Montana)	Ambilestes cerberoides (14801)