Receptaculitidae

plural noun
Re·cep·tac·u·lit·i·dae

Definition of Receptaculitidae 

: a family of calcareous fossils sometimes placed in the Hyalospongiae but usually set apart as the class Receptaculida — see receptaculites

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History and Etymology for Receptaculitidae

New Latin, from Receptaculites, type genus + -idae

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