family spirulidae is a noun meaning "coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications". It carries one recorded sense.
coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications
Definitions, synonyms and semantic relations for family spirulidae come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.