Genus Chiastozygus
- Species total:
- 2
- Age range:
- 100 - 82 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chiastozygus amphiphorus | Cenomanian | Coniacian |
|
| Chiastozygus litterarius | Cenomanian | Coniacian |
|
Genus Chiastozygus
- Species total:
- 2
- Age range:
- 100 - 82 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chiastozygus amphiphorus | Cenomanian | Coniacian |
|
| Chiastozygus litterarius | Cenomanian | Coniacian |
|