Etapteris

noun
Etap·​ter·​is | \ ə̇ˈtaptərə̇s, āˈ-, ēˈ-\

Definition of Etapteris

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

History and Etymology for Etapteris

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

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