Lyginopteridaceae is an extinct family of plants (Pteridospermatophyta) in North America and European Carboniferous coal measures.

[1][2] 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.

This article related to a Carboniferous plant is a stub.