Holoptychiidae

plural noun

Hol·​op·​ty·​chi·​idae

ˌhäləptəˈkīəˌdē,

ˌhōl-

: a family of Devonian fishes (order Rhipidistia) having unossified vertebrae, teeth of complicated structure, and the body covered with imbricating cycloid enameled scales

Word History

Etymology

New Latin, from Holoptychius, type genus + -idae

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