When did seed ferns go extinct?
Keeping this in view, what ancient plants were called seed ferns?
Seed ferns are an extinct group of plants that were called Pteridospermales. Their leaves were fern-like and they produced seeds. Fossil records suggest they were the dominant plants during the late Devonian to the Permian period before they became extinct.
Additionally, when did Glossopteris become extinct? about 245 million years ago
Then, which order of Gymnosperm is known as seed fern?
Pteridospermales. Pteridospermales (seed ferns) An extinct gymnosperm order, containing the earliest seed plants, which flourished in the Carboniferous, before disappearing in the Cretaceous.
Do Ferns have cones?
The fern plant that we know of, that has leaves, stems, and roots, produces spores, so it is the sporophyte generation. They produce seeds, not spores, that are contained within a cone.