plural noun
Cryp·to·sto·ma·ta | \ ˌkriptəˈstōmətə \

Definition of Cryptostomata 

: a group of Paleozoic bryozoa (class Gymnolaemata) in which the true apertures of the zooecia are concealed at the bottom of vestibular tubes

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Other words from Cryptostomata

cryptostome \ˈ⸗⸗ˌstōm \ adjective or noun

History and Etymology for Cryptostomata

New Latin, from crypt- + -stomata

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