Pterobranchia

plural noun

Ptero·​bran·​chia

ˌterəˈbraŋkēə

: an order of Hemichordata or an independent phylum of uncertain affinities that comprises two genera (Cephalodiscus and Rhabdopleura) of small deep-sea tube-dwelling animals that commonly reproduce by budding

Word History

Etymology

New Latin, from pter- + -branchia

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