First Page | Document Content | |
---|---|---|
Date: 2010-06-14 05:43:01Everett C. Olson Geology Vertebrate Paleontology Permian Tetrapod Therapsida Pelycosaur Edaphosaurus Paleontology Biology Alfred Romer | national academy of sciences Everett C. OlsonAdd to Reading ListSource URL: www.nap.eduDownload Document from Source WebsiteFile Size: 165,35 KBShare Document on Facebook |