Exhibit specimen of Edaphosaurus, a pelycosaur synapsid, from the collections at the Museum of Comparative Zoology. Pelycosaurs are the most ancient forerunners of mammals. This study shows that ...
nmnhpaleobiology_3450594 Sign up for Smithsonian e-news arrow-right ...
Place Archer County, Texas, United States, North America Published Name Edaphosaurus sp ...