Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Hystrichosphaeridium bohemicum | Silurian | Silurian |
|
Hystrichosphaeridium sergipense | Early Eocene | Early Eocene |
|
Hystrichosphaeridium sp.3 Math.,1964 | Eocene | Eocene |
|
Hystrichosphaeridium layeri | Late Devonian | Late Devonian |
|
Hystrichosphaeridium transculentum | Late Cretaceous | Late Cretaceous |
|
Hystrichosphaeridium sp.2 Math.,1964 | Eocene | Eocene |
|
Hystrichosphaeridium paulinae | Bajocian | Bajocian |
|
Hystrichosphaeridium parvispinum | Late Barremian | Late Barremian |
|
Hystrichosphaeridium replexum | Albian | Albian |
|
Hystrichosphaeridium scabridum | Llandeilian | Llandeilian |
|
Hystrichosphaeridium cinctum | Early Oligocene | Early Oligocene |
|
Hystrichosphaeridium hystrichoreticulatum | Ordovician | Ordovician |
|
Hystrichosphaeridium eisenackianum | Middle Ordovician | Middle Ordovician |
|
Hystrichosphaeridium hoffmeisteri | Nd | Nd |
|
Hystrichosphaeridium eoplanctonicum | Llandoverian | Llandoverian |
|
Hystrichosphaeridium truncatum | Late Devonian | Late Devonian |
|
Hystrichosphaeridium type 418 | Barremian | Barremian |
|