Tag Archives | Sub-Classes of Class Filicineae

This article throws light upon the three sub-classes of Class Filicineae. The sub-classes are: 1. Subclass I Primofilices Archaeopteris 2. Subclass II Eusporangiatae 3. Subclass III Leptosporangiatae. Subclass I Primofilices Archaeopteris: Archaeopteris is one of the most ancient plants, known only from the Devonian and that also from the Upper Devonian. The genus is based […]