Article

Shevyrev, A.A. 2006b. The Cephalopod Macrosystem: A Historical Review, the Present State of Knowledge, and Unsolved Problems: 3. Classification of Bactritoidea and Ammonoidea. Paleontological Journal 40 (2): 150-161. [Original: Paleontologicheskii Zhurnal, No. 2, 2006, pp. 34-46 [in Russian]] ≡

Original Classification (root)

(Class) Cephalopoda Cuvier, 1795