| Name | From | To | Age range |
|---|---|---|---|
| Hystrichogonyaulax regalis | Sinemurian | Callovian |
|
| Hystrichogonyaulax nealei | Callovian | Oxfordian |
|
| Hystrichogonyaulax millioudii | Middle Oxfordian | Late Oxfordian |
|
| Hystrichogonyaulax cornigera | Bajocian | Oxfordian |
|
| Hystrichogonyaulax saepita | Malm | Early Kimmeridgian |
|
| Hystrichogonyaulax sp.A | Callovian | Kimmeridgian |
|
| Hystrichogonyaulax canadensis | Oxfordian | Late Kimmeridgian |
|
| Hystrichogonyaulax serrata | Late Bathonian | Motuan |
|
| Hystrichogonyaulax pectinigera | Late Bajocian | Turonian |
|
| Hystrichogonyaulax italica | Late Cretaceous | Paleocene |
|
| Hystrichogonyaulax cladophora | Bajocian | Rupelian |
|
| Hystrichogonyaulax coreoides | Auversian | Late Oligocene |
|
| Hystrichogonyaulax sp | Liassic | Late Oligocene |
|
| Hystrichogonyaulax polytrix | Rupelian | Late Oligocene |
|
| Hystrichogonyaulax | Mesozoic | Cenozoic |
|
| Hystrichogonyaulax pennata | Late Kimmeridgian | Late Kimmeridgian |
|
| Hystrichogonyaulax sp.EA | Early Oxfordian | Early Oxfordian |
|