Ar·​chae·​op·​ter·​is | \ˌärkēˈäptərə̇s\

Definition of Archaeopteris 

: a genus of fossil plants especially characteristic of the Devonian that were formerly regarded as ferns but are now generally included in the order Cycadofilicales

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First Known Use of Archaeopteris

circa 1909, in the meaning defined above

History and Etymology for Archaeopteris

New Latin, from archae- + -pteris

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The first known use of Archaeopteris was circa 1909

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