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Definition of Spirulidae
1. Noun. Coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications.
Exact synonyms: Family Spirulidae
Generic synonyms: Mollusk Family
Group relationships: Decapoda, Order Decapoda
Member holonyms: Genus Spirula
Generic synonyms: Mollusk Family
Group relationships: Decapoda, Order Decapoda
Member holonyms: Genus Spirula