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Trichoplax

noun
Tricho·​plax | \ ˈtrikəˌplaks\

Definition of Trichoplax

: a genus of minute marine animals that are sometimes classed among the Mesozoa but are probably larval hydrozoans and that have a completely ciliated discoid body composed of three layers of cells but not otherwise differentiated

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History and Etymology for Trichoplax

New Latin, from trich- + Greek plax flat surface

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