plural noun
Mal·​a·​cop·​te·​ryg·​ii | \ ˌ-¦rijēˌī\

Definition of Malacopterygii

in some classifications
: an extensive division of teleost fishes having soft fin rays

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Other Words from Malacopterygii

malacopterygious \ -​¦rij(ē)əs \ adjective

History and Etymology for Malacopterygii

New Latin, from malac- + -pterygii

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