Etapteris

noun

Etap·​ter·​is

ə̇ˈtaptərə̇s,

āˈ-,

ēˈ-

: a form genus of Paleozoic ferns represented only by fossil leaves which are pinnate and with primary pinnal alternate on the rachis

Word History

Etymology

New Latin, from Greek ēta eta + New Latin -pteris

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