Leptostraca

plural noun

Lep·​tos·​tra·​ca

lepˈtästrəkə

: a division of Malacostraca including the Phyllocarida, the Nebaliacea, and various fossil forms that are regarded as intermediate between the typical malacostracans and the lower crustaceans although classed among the former see nebalia

leptostracan

(ˈ)⸗¦⸗⸗kən

adjective or noun

leptostracous

(ˈ)⸗¦⸗⸗kəs

adjective

Word History

Etymology

New Latin, from lept- + -ostraca

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