Search Results for "structure of paleozoic ovule"

Structure and theories regarding origin of paleozoic ovule

Origin of ovule in pteridospermales is seen in paleozoic era so the ovule is called paleozoic ovule,...

Pteridospermales are characteristic gymnosperm plants that bore fern like foliage and posses unpr...

Pteridospermales (Seed Ferns):Geological Horizons

fossil plant study

Ppt (Origin of Gymnosperms )