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 adjective or noun
¦jīˌgan‧¦tästrə̇kən;
jī¦g-
jə̇¦g-
gigantostracous adjective
-kəs
Word History
Etymology
New Latin, from gigant- + -ostraca