genus Spirula

Thesaurus

Noun

1.

genus Spirula - genus of small cephalopods with many-chambered spiral shells resembling those of the extinct belemnites mollusk genus - a genus of mollusks family Spirulidae, Spirulidae - coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications spirula, Spirula peronii - a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.