1) Cycadofilicales
Found on
https://www.crosswordclues.com/clue/lyginopteridales
The Lyginopteridales were the archetypal pteridosperms: They were the first plant fossils to be described as pteridosperms and, thus, the group on which the concept of pteridosperms was first developed; they are the stratigraphically oldest-known pteridosperms, occurring first in late Devonian strata; and they have the most primitive features, mos...
Found on
http://en.wikipedia.org/wiki/Lyginopteridales
No exact match found.
