Hyatt, A. (1894). Phylogeny of an acquired characteristic [in the shells of Cephalopoda, and chiefly the Nautiloidea]. Proceedings of the American Philosophical Society. 32: 349-647.
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Hyatt, A.
1894
Phylogeny of an acquired characteristic [in the shells of Cephalopoda, and chiefly the Nautiloidea]