Select the pteridophyte that belongs to the class Psilopsida.
Lycopodium.
Psilotum.
Pteris.
Adiantum.
Psilotum belongs to the class Psilopsida. Lycopsida (Selaginella, Lycopodium), Sphenopsida (Equisetum) and Pteropsida (Dryopteris, Pteris, Adiantum).