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
The Last American Titan
for The Last American Titan in Dinosaurs Unleashed
Suggested by ltathena
Dinosaurs Unleashed is the a documentary tv show that could have 15 stories
