Bolloceratidae Zhuravleva

Zhuravleva. Fundamentals of paleontology. Volume 5. Mollusca - Cephalopoda 1 Nautiloidea, Endoceratoidea, Actinoceratoidea, Bactritoidea, Ammonoidea (Agoniatitida, Goniatitida, Clymenii da). Israel Program from Scientific Translations, Jerusalem., 1974: i-vii,1-887