1. Descriptions of extinct batrachia and reptilia from the Permian Formation of Texas Author(s): Cope, E. D. (Edward Drinker), 1840-1897 Publication: [Philadelphia? : American Philosophical Society, 1878] Subject(s): FossilsReptiles -- classificationAmphibians -- classificationGeological PhenomenaTexas
2. On some new batrachia and reptilia from the Permian beds of Texas: On a wading bird from the Amyzon shales ; On the Nimravidae and Canidae of the Miocene period ; and On the Vertebrata of the Wind River Eocene beds of Wyoming Author(s): Cope, E. D. (Edward Drinker), 1840-1897 Publication: Washington : [publisher not identified], 1881 Subject(s): FossilsAmphibiansReptilesCharadriiformesCarnivoraTexasColoradoWyoming