noun
coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications
• Syn: ↑Spirulidae
• Hypernyms: ↑mollusk family
• Member Holonyms: ↑Decapoda, ↑order Decapoda
• Member Meronyms: ↑genus Spirula
Useful english dictionary. 2012.