Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||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|
decapod - cephalopods having eight short tentacles plus two long ones
genus Spirula - genus of small cephalopods with many-chambered spiral shells resembling those of the extinct belemnites