Peltaspermales

Peltaspermales; Temporal range: Permian–Eocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Spermatophytes
Order:	†Peltaspermales; Delevoryas 1979
Families
	Peltaspermaceae; Corystospermaceae;

The Peltaspermales are an extinct order of plants belonging to Pteridospermatophyta, or seed ferns. It is unclear whether they form a natural group of organisms as they are poorly known.^[2] It has been suggested that they survived the Cretaceous–Paleogene extinction event.^[3]

References[]

^ Peltaspermales et Fossilworks
^ Taylor, Edith L.; Taylor, Thomas N.; Krings, Michael (2009). Paleobotany: The Biology and Evolution of Fossil Plants. Academic Press. pp. 639–48. ISBN 9780080557830.
^ McLoughlin S.; Carpenter R.J.; Jordan G.J.; Hill R.S. (2008). "Seed ferns survived the end-Cretaceous mass extinction in Tasmania". American Journal of Botany. 95: 465–471. doi:10.3732/ajb.95.4.465.

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[1] Peltaspermales et Fossilworks

[Taylor_09-2] Taylor, Edith L.; Taylor, Thomas N.; Krings, Michael (2009). Paleobotany: The Biology and Evolution of Fossil Plants. Academic Press. pp. 639–48. ISBN 9780080557830.

[3] McLoughlin S.; Carpenter R.J.; Jordan G.J.; Hill R.S. (2008). "Seed ferns survived the end-Cretaceous mass extinction in Tasmania". American Journal of Botany. 95: 465–471. doi:10.3732/ajb.95.4.465.

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