Etapteris

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

Definition of Etapteris

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

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Origin and Etymology of etapteris

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


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