The Glossopteridaceae are an extinct

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

of plants belonging to Pteridospermatophyta, or seed ferns.

References

Pteridospermatophyta Prehistoric plant families Permian plants Lopingian first appearances Lopingian extinctions {{Permian-plant-stub