Malacopterygii

plural noun

Mal·​a·​cop·​te·​ryg·​ii

ˌ-¦rijēˌī

in some classifications

: an extensive division of teleost fishes having soft fin rays

malacopterygious

-¦rij(ē)əs

adjective

Word History

Etymology

New Latin, from malac- + -pterygii

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