plural noun
Bdel·​loi·​dea | \ de-ˈlȯi-dē-ə\

Definition of Bdelloidea

: a class (phylum Rotifera) comprising the bdelloids The Class Bdelloidea of the Phylum Rotifera is the largest metazoan taxon in which males, hermaphrodites, and meiosis are unknown.— David Mark Welch and Matthew Meselson, Science, 19 May 2000

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First Known Use of Bdelloidea

circa 1925, in the meaning defined above

History and Etymology for Bdelloidea

borrowed from New Latin, alteration of Bdelloida bdelloida

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The first known use of Bdelloidea was circa 1925

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a usually brief trip or an expedition

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