Gigantostraca

plural noun

Gi·​gan·​tos·​tra·​ca

(ˌ)jīˌgan‧ˈtästrə̇kə,

jə̇ˌg-

: a group of arthropods comprising the eurypteroids and sometimes related forms including the xiphosurans compare merostomata

gigantostracan

¦jīˌgan‧¦tästrə̇kən;

jī¦g-

jə̇¦g-

adjective or noun

gigantostracous

-kəs

adjective

Word History

Etymology

New Latin, from gigant- + -ostraca

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