Neopterygii

plural noun

Ne·​opte·​ryg·​ii

(ˌ)nēˌäptəˈrijēˌī,

ˌnē(ˌ)ōtəˈ-

in some classifications

: a subclass of Osteichthyes including all the higher bony fishes compare palaeopterygii

Word History

Etymology

New Latin, from ne- + -pterygii

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