What are seed ferns?
Q: What are seed ferns?
A: Seed ferns are several groups of extinct seed plants (spermatophytes).
Q: Where is the oldest fossil evidence of plants of this type found?
A: The oldest fossil evidence of seed ferns is found in Upper Devonian strata.
Q: During which periods did seed ferns flourish?
A: Seed ferns flourished during the Carboniferous and Permian periods.
Q: When did the decline of Pteridosperms begin?
A: The decline of Pteridosperms began during the Mesozoic Era.
Q: By what time had most of the Pteridosperms disappeared?
A: Most of the Pteridosperms had disappeared by the end of the Cretaceous.
Q: Did any pteridosperm-like plants survive into Eocene times?
A: Yes, some fossil pteridosperm-like plants seem to have survived into Eocene times in Tasmania.
Q: Are seed ferns still present today?
A: No, seed ferns are extinct.
