Archaeopteris

From Ancient Greek ἀρχαῖος (arkhaîos, “ancient”) + πτερίς (pterís, “fern”).

Wikispecies

†Archaeopteris f

1. A taxonomic genus within the family Archaeopteridaceae – known from fossils and widely accepted as the earliest and most primitive known tree, with wood similar to a conifer's, but producing spores like a fern.

• Archaeopteryx