Protochordata

plural noun
Pro·​to·​chordata | \ "+\

Definition of Protochordata

in some classifications
: a major division of Chordata comprising the Hemichordata, Urochordata, and usually the Cephalochordata

Other Words from Protochordata

protochordate \ "+ \ adjective or noun

History and Etymology for Protochordata

New Latin, from prot- + Chordata

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