Pleuromeia is a genus of extinct spore-trees belonging to the order Pleuromeiales and class Isoetopsida. It was one of the most common plants during the recovery from the Permian-Triassic extinction event. ...
a genus of extinct club mosses, order Pleuromeiales (class Lycopsida). It represents a curious line of small, treelike Late Triassic Period (from ... [1 related articles]