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

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.

External links

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