A four-horned pelycosaurian from the Permian of Texas. Bulletin of the AMNH ; v. 24, article 11
Matthew, William Diller, 1871-1930 Sternberg, Charles H. (Charles Hazelius), 1850-
Book
1908
English
Wikidata: https://www.wikidata.org/entity/Q51479491
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