Genus Chordecystia
- Species total:
- 3
- Age range:
- 289 - 195 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chordecystia | Permian | Permian |
|
| Chordecystia chalasta | Early Permian | Triassic |
|
| Chordecystia sp | Stephanian | Early Triassic |
|