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  1. The vertebrate fauna of the Selma Formation of Alabama. Rainer Zangerl. Part III. The turtles of the family Protostegidae. /
    By: Zangerl, Rainer, - Chicago Natural History Museum.
    Publication info: [Chicago, Ill.] :Chicago Natural History Museum,1953.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Alabama  Cretaceous  Paleontology  Protostegidae  Turtles, Fossil  Vertebrates, Fossil  
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