Lyginopteridaceae

Lyginopteridaceae; Temporal range: Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	†Pteridospermatophyta
Class:	†Lyginopteridopsida
Order:	†Lyginopteridales
Family:	†Lyginopteridaceae
Genera
	Lagenostoma ovulate structures; Lyginopteris permineralized wood; Sphenopteris leaves; Telangium pollen organs; Tetrastichia? ovulate structures;

Lyginopteridaceae is an extinct family of plants (Pteridospermatophyta) in North America and European Carboniferous coal measures.^[1]^[2]

Description

Lyginopteridaceae were shrubs and vines with radiospermic ovules containing a lagenostome. They consisted of forms with monostelic stem petioles usually with single strand and small seeds. Family members include Lyginopteris and Heterangium.^[3]

References

^ Anderson, J.M.; Anderson, H.M. & Cleal, C.J. (2007). "Brief history of the gymnosperms: classification, biodiversity, phytogeography and ecology". Strelitzia. 20: 1–280.
^ Cleal, C.J. & Thomas, B.A. (1995). Palaeozoic palaeobotany of Britain. Chapman and Hall, London. pp. 295 pp.
^ Singh, V. P. (2006-01-01). Gymnosperm (naked seeds plant) : structure and development. Sarup & Sons. ISBN 9788176256711.

External links

"Fossilworks: Lepidopteris". paleodb.org. Retrieved 2016-03-18.
"On Paleozoic plants from marine strata". amjbot.org. Retrieved 2016-04-08.^{[dead link‍]}

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[Anderson-2007-1] Anderson, J.M.; Anderson, H.M. & Cleal, C.J. (2007). "Brief history of the gymnosperms: classification, biodiversity, phytogeography and ecology". Strelitzia. 20: 1–280.

[2] Cleal, C.J. & Thomas, B.A. (1995). Palaeozoic palaeobotany of Britain. Chapman and Hall, London. pp. 295 pp.

[3] Singh, V. P. (2006-01-01). Gymnosperm (naked seeds plant) : structure and development. Sarup & Sons. ISBN 9788176256711.

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