Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Hystrichosphaeridium dictyostilum | Eocene | Oligocene |
|
Hystrichosphaeridium cambayense | Eocene | Early Miocene |
|
Hystrichosphaeridium sp.C Salu.et al,1969 | Early Eocene | Early Eocene |
|
Hystrichosphaeridium perplexum | Eocene | Oligocene |
|
Hystrichosphaeridium calospinum | Eocene | Oligocene |
|
Hystrichosphaeridium senii | Eocene | Eocene |
|
Hystrichosphaeridium sp.4 Math.,1964 | Eocene | Eocene |
|
Hystrichosphaeridium sp.E | Early Eocene | Early Eocene |
|
Hystrichosphaeridium sp. Xu et al,1997 | Middle Eocene | Late Eocene |
|
Hystrichosphaeridium sp. Levy & Harw.,2000 | Middle Eocene | Late Eocene |
|
Hystrichosphaeridium ellipticum | Middle Eocene | Middle Eocene |
|
Hystrichosphaeridium variabilis | Bartonian | Bartonian |
|
Hystrichosphaeridium dictyum | Bartonian | Bartonian |
|
Hystrichosphaeridium tubulatum | Jackson | Jackson |
|
Hystrichosphaeridium paradoxum | Late Eocene | Middle Oligocene |
|
Hystrichosphaeridium gracilis | Late Eocene | Late Eocene |
|
Hystrichosphaeridium type 11 | Oligocene | Oligocene |
|