Kollikodontidae

Kollikodontids
Temporal range: Cretaceous
(AlbianCenomanian), ~
Kollikodon dentary
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Monotremaformes
Family: Kollikodontidae
Archer, Flannery, Ritchie, & Jones, 1995
Type genus
Kollikodon
Flannery, Archer, Rich & Jones, 1995
Genera

Kollikodontidae is an extinct family of early monotreme mammals known from the Cretaceous of Australia. Defining characteristics of kollikodontids include very specialized bunodont molars, which may indicate a diet of hard-shelled animals like mollusks in some species, and a somewhat narrow mandibular canal. The known genera have estimated body masses between 3.5–8 kilograms (7.7–17.6 lb).