Author: Van der Spoel S.,
Title: A new forma of the species Clio pyramidata L
Description: 1963. , 1767 and a new resting-stag of Clio pyramidata L. 1767 forma sulcata (Pfeffer, 1879) (Gastropoda, Pteropoda). In 8vo, offp., pp. 10 with 5 figs. Offprint from Beaufortia, 10 n. 114

Keywords: shells opisthobranchia molluscs pteropods


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