Genus Gastrioceras
- Species total:
- 2
- Age range:
- 314 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Gastrioceras cancellatus | Middle Carboniferous | Middle Carboniferous |
|
| Gastrioceras subcrenatum | Middle Carboniferous | Middle Carboniferous |
|