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amphioxea

noun
am·​phi·​ox·​ea | \ ˌamfēˈäksēə, -ē(ˌ)äkˈsēə\
plural -s

Definition of amphioxea

: a slightly curved needlelike sponge spicule

First Known Use of amphioxea

1899, in the meaning defined above

History and Etymology for amphioxea

New Latin, from amphi- + oxea

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