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| Lyginopteridaceae Temporal range: | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | †Pteridospermatophyta |
| Class: | †Lyginopteridopsida |
| Order: | †Lyginopteridales |
| Family: | †Lyginopteridaceae |
| Genera | |
| |
Lyginopteridaceae is an extinct family of plants (Pteridospermatophyta) in North America and European Carboniferous coal measures.
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.