Genus Helminthostachys
- Species total:
- 5
- Age range:
- 105 - 61.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helminthostachys zeylanica | Recent | Recent |
|
| Helminthostachys sp | Cenomanian | Cenomanian |
|
| Helminthostachys halkabadica | Middle Albian | Middle Albian |
|
| Helminthostachys halcabadica | Albian | Early Paleocene |
|
| Helminthostachys | Turonian | Turonian |
|