Genus Heslertonia
- Species total:
- 12
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Heslertonia | Mesozoic | Cenozoic |
|
| Heslertonia cylindrata | Early Coniacian | Middle Coniacian |
|
| Heslertonia heslertonensis | Early Portlandian | Lutetian |
|
| Heslertonia oligacanthum | Early Aptian | Early Aptian |
|
| Heslertonia pellucida | Bathonian | Early Albian |
|
| Heslertonia regula | Early Santonian | Early Santonian |
|
| Heslertonia senecta | Late Barremian | Late Barremian |
|
| Heslertonia sp | Late Callovian | Early Barremian |
|
| Heslertonia sp.A | Bartonian | Early Rupelian |
|
| Heslertonia sp.A De C.,1986 | Early Thanetian | Rupelian |
|
| Heslertonia striata | Aptian | Maestrichtian |
|
| Heslertonia teichophera | Late Bajocian | Berriasian |
|