Title: Ranne- i srednei︠u︡rskie belemnity Severa SSSR- Megateuthinae i Pseudodicoelitinae
First published: 1975
Subjects: Paleontology, Belemnites
Places: Northern Russia
Time periods: Jurassic
LC classification: QE1 A3525 vyp. 239, QE807 B4, QE807B4 S28