Question

What is the role of extinct psilophytes in evolution of present day existing plants

Answer 1

Answer:

hii mate, Psilophytopsida is a now obsolete class containing one order, Psilophytales, which was previously used to classify a number of extinct plants which are now placed elsewhere. ... The living Psilotaceae, the whisk-ferns, were sometimes added to the class, which was then usually called Psilopsida.