As a metathere mammal, it was related to Didelphodon and the modern marsupials; it was small in size and probably similar to the modern opossum of North America. Its name means "First tooth." Alphadon lived from 76 to 63 million years ago.
In Walking with... SeriesEdit
Alphadon was one of the characters in this film. Pachi saves one in the movie.
In other mediaEdit
March of the DinosaursEdit
Read more at the March of the Dinosaurs Wiki