Question

Name the four classes of pteridophyta with one example each.

Answer 1

1. Class: Psilotopsida:

The members of the class Psilotopsida show close resemblance in fundamental characteristics to the Silurian and Devonian members of Rhyniopsida (e.g., Rhynia, Cooksonia), Zostero- phyllopsida (e.g., Zosterophyllum) and Trimero- phytopsida (e.g., Trimerophyton, Psilophyton). Psilotopsida includes only two livi

Answer 2

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Here's ur answer ❤❤✍❤✍❤✍❤✍❤✍

The four classes of $\bf{PTERIDOPHYTA}$ are:

✍PSILOPSIDA
eg:Psilotum

✍LYCOPSIDA
eg:Lycopodium, Selaginella

✍SPHENOPSIDA
eg: Equisetum

✍PTEROPSIDA
eg:Pteris,Adiantum

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