1. Handbook of Texas Cretaceous Fossils;Adkins,1928
2. Paleontological Correlation of the Fredericksburg and Washita Formations in North Texas;Adkins,1920
3. Gastroplitins at the Boundary of the Cretaceous Epochs (North-east USSR);Alabushev,1987
4. Rapidoplacenticeras – a new genus of Cretaceous Ammonoidea;Alabushev;Paleontologicheskii Zhurnal,1988
5. Albian – Turonian (Cretaceous) sediments at the Pacific slope of north-eastern Russia;Alabushev;Newsletter on Stratigraphy,1995