Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Hystrichosphaeridium tuberosum | Late Givetian | Late Givetian |
|
Hystrichosphaeridium eisenackii | Late Givetian | Late Givetian |
|
Hystrichosphaeridium sprucegrovensis | Late Devonian | Late Devonian |
|
Hystrichosphaeridium hymenoferum | Ordovician | Ordovician |
|
Hystrichosphaeridium verschiedener | Nd | Nd |
|
Hystrichosphaeridium type 2 | Tortonian | Tortonian |
|
Hystrichosphaeridium diploporum | Ordovician | Ordovician |
|
Hystrichosphaeridium armatum | Cretaceous | Cretaceous |
|
Hystrichosphaeridium cribrotubiferum | Early Oxfordian | Early Oxfordian |
|
Hystrichosphaeridium sp. Bisw.,1962 | Late Cretaceous | Late Cretaceous |
|
Hystrichosphaeridium saturnium | Middle Miocene | Middle Miocene |
|
Hystrichosphaeridium ordovicum | Ordovician | Ordovician |
|
Hystrichosphaeridium rotundatum | Middle Cambrian | Middle Cambrian |
|
Hystrichosphaeridium salvadorense | Senonian | Senonian |
|
Hystrichosphaeridium senii | Eocene | Eocene |
|
Hystrichosphaeridium sp.4 Math.,1964 | Eocene | Eocene |
|
Hystrichosphaeridium spiciferum | Middle Devonian | Middle Devonian |
|