Alphadon (meaning "first tooth") was a genus of small, primitive mammal that was a member of the metatherians, a group of mammals that includes modern-day marsupials. Its fossils were first discovered and named by George Gaylord Simpson in 1929.[2]
Alphadon
Species in "Rexy's Baby"
for Species in "Rexy's Baby" in Dinosaur Planet Remake
Suggested by jacobtolentino
This Is Dinosaur Planet Remake Based On The 2003 Documentry Of The Same Name
