Thyrostraca

plural noun
Thy·​ros·​tra·​ca | \thīˈrästrəkə\

Definition of Thyrostraca 

in some especially former classifications

: a subclass of Crustacea coextensive with Cirripedia

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Other Words from Thyrostraca

thyrostracan \(ˈ)⸗¦⸗⸗kən \ adjective or noun

History and Etymology for Thyrostraca

New Latin, from thyro- (from Greek thyra door, opening) + Greek ostraka, plural of ostrakon shell

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