Priapuloidea
plural noun
Pri·ap·u·loi·dea
| \ prīˌapyəˈlȯidēə\
Definition of Priapuloidea
: a group of marine worms of obscure position that are classed as a division of Gephyrea and that somewhat resemble the Sipunculoidea from which they are distinguished by the absence of tentacles and usually by the presence of caudal gills
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