Larvacea

plural noun

Lar·​va·​cea

lärˈvāshēə

: a class of small, free-swimming pelagic tunicates constituting Appendicularia and related genera, having a permanent caudal appendage supported by a notochord, being usually hermaphroditic, and lacking a metamorphosis

Word History

Etymology

New Latin, from larva + -acea

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