[Oxytoma from Upper Jurassic and Neocomian deposits of the West Siberian Platform.] Sbornik Nauchnykh Trudov Sibirskii Nauchno-Issledovatelskii Institut Geologii Geofiziki i Mineralnogo Syrya, No. 260 1978: 115-120. 116 [Zoological Record Volume 115]