Genus Praecalcigonellum
- Species total:
- 9
- Age range:
- 141 - 103.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Praecalcigonellum | Nd | Nd |
|
| Praecalcigonellum dolium | Early Aptian | Early Aptian |
|
| Praecalcigonellum duopylum | Early Danian | Early Danian |
|
| Praecalcigonellum minutum | Late Albian | Late Albian |
|
| Praecalcigonellum mutterlosei | Early Barremian | Early Barremian |
|
| Praecalcigonellum polymorphum | Middle Aptian | Early Albian |
|
| Praecalcigonellum schizosaeptum | Late Pliocene | Late Pliocene |
|
| Praecalcigonellum sp.1 Keup.& Vers.,1989 | Late Pliocene | Late Pliocene |
|
| Praecalcigonellum triangulare | Cretaceous | Cretaceous |
|