Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Hystrichosphaeridium aemulum | Jurassic | Early Kimmeridgian |
|
Hystrichosphaeridium polonicum | Oxfordian | Kimmeridgian |
|
Hystrichosphaeridium pattei | Pliensbachian | Kimmeridgian |
|
Hystrichosphaeridium capitatum | Oxfordian | Kimmeridgian |
|
Hystrichosphaeridium toryna | Late Jurassic | Portlandian |
|
Hystrichosphaeridium caulleryi | Jurassic | Portlandian |
|
Hystrichosphaeridium stimuliferum | Jurassic | Late Malm |
|
Hystrichosphaeridium polychonion | Late Berriasian | Valanginian |
|
Hystrichosphaeridium type 419 | Berriasian | Valanginian |
|
Hystrichosphaeridium scoriaceum | Tithonian | Hauterivian |
|
Hystrichosphaeridium dispare | Valanginian | Hauterivian |
|
Hystrichosphaeridium bicyclospinosum | Late Tithonian | Hauterivian |
|
Hystrichosphaeridium sp.27a | Valanginian | Hauterivian |
|
Hystrichosphaeridium type 462 | Hauterivian | Barremian |
|
Hystrichosphaeridium sp.A Habi.,1972 | Early Jurassic | Barremian |
|
Hystrichosphaeridium sp.BE | Hauterivian | Barremian |
|
Hystrichosphaeridium sp. Warr.,1967 | Early Valanginian | Barremian |
|