The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • I. A. Efremov. 1946. O Podklasse Batrachosauria - Gruppe Form, Promezhutochnykh Mezhdu Zemnovodnymi i Presmykayoushchimisya [On the Subclass Batrachosauria - A Group of Forms Intermediate Between Amphibians and Reptiles]. Izvestiya Akademii Nauk SSSR Otdelenie Biologicheskikh Nauk [Bulletin of the Academy of Science of the USSR Section of Biological Sciences] 6:615-638


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