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
Small Mammals
for Small Mammals in Ice Age
Suggested by manassestobias
it By 20th Century Fox Blue Sky Studios
