Article

Shevyrev, A.A. 2006a. The Cephalopod Macrosystem: A Historical Review, the Present State of Knowledge, and Unsolved Problems: 2. Classification of Nautiloid Cephalopods. Paleont. J. 40 (1): 46-54. [Original: Paleontologicheskii Zhurnal, No. 1, 2006, pp. 43–52 [in Russian]] ≡

Original Classification (root)

(Class) Cephalopoda Cuvier, 1795