Revision of the Pelycosauria of North America Case, E. C. (Ermine Cowles), 1871-1953 creator text book Washington, D.C Carnegie Institution of Washington 1907 1907
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ENG Pelycosauria QE862 P3 C3 Carnegie Institution of Washington publication, 55 https://www.biodiversitylibrary.org/bibliography/45536 508283 10.5962/bhl.title.45536 OTU