Asterophyllites acicularis & Neuropteris polymorpha

Kingdom: Plantae Phylum: Pteridophyta Class: Polypodiospida Subclass: Equisetidae Order: Equisetales Family: Calamitaceae Genus: Asterophyllites (Brongniart, 1828) Species: Asterophyllites acicularis (Dawson) Kingdom: Plantae Phylum: Tracheophyta Family: Medullosaceae Genus: Neuropteris (Brongniart, 1828) Species: Neuropteris polymorpha (Dawson) Sample of shale with two whorls of Asterophyllites acicularis. The whorls have thin, slightly rounded leaves (0.5 cm x 0.1 cm) with a faint medial vein. Partial pinna (2.9 cm x 1.1 cm) of Neuropteris polymorpha with rounded pinnules (~0.6 cm x 0.5 cm) with faint lateral and medial veins.