Glossopteris is a genus of extinct seed ferns found in the fossil record of the late Paleozoic and early Mesozoic eras. It is most famously associated with the Raniganj Formation, which is part of the Gondwana group of deposits.
| Group I | Group II |
| P. Dissepiment | 1. Echinodermata |
| Q. Delthyrium | 2. Trilobita |
| R. Pygidium | 3. Brachiopoda |
| S. Ambulacrum | 4. Anthozoa |