†Subcraspedites (Ronkinites) Shul'gina 1975

Shul'gina 1975. Ammonites of the north of Middle Siberia. The Jurassic-Cretaceous boundary and the Berriasian Stage in the Boreal Realm. 1-391. 1975., Israel Program for Scientific Translations, Jerusalem., 1975: 216-229. Chapter pagination: 145-186