Bivalves, gastropods and belemnites in the Jurassic and Cretaceous deposits of Saratov on the Volga. Stratigraphy and fauna of the Jurassic and Cretaceous deposits of Saratov on the Volga., Stratigraphy and fauna of the Jurassic and Cretaceous deposits of Saratov on the Volga. Trudy VNIGRI 137 1959 : 267-460 27 pls. [In Russian.]", 1962: 267-460. Chapter pagination: 267-460. 362 [Zoological Record Volume 99]