Articulata

plural noun
Ar·tic·u·la·ta | \ ärˌtikyəˈlätə , -ātə \

Definition of Articulata 

1 : one of the four subkingdoms in the classification of Cuvier comprising invertebrates having the body composed of a series of ringlike segments (such as arthromeres, somites, or metameres)

2 : a class or other division of Brachiopoda comprising forms with the valves hinged and usually bearing teeth — compare inarticulata

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History and Etymology for Articulata

New Latin, from neuter plural of articulatus jointed, from Latin, uttered distinctly, past participle of articulare

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