Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Hystrichosphaeridium hirsutoides | Middle Cambrian | Middle Cambrian |
|
Hystrichosphaeridium sp.C Salu.et al,1969 | Early Eocene | Early Eocene |
|
Hystrichosphaeridium circumscissum | Early Ordovician | Early Ordovician |
|
Hystrichosphaeridium korykos | Nd | Nd |
|
Hystrichosphaeridium hirundo | Early Cretaceous | Early Cretaceous |
|
Hystrichosphaeridium tuberosum | Late Givetian | Late Givetian |
|
Hystrichosphaeridium leonardianum | Early Permian | Early Permian |
|
Hystrichosphaeridium tenuicapillata | Nd | Nd |
|
Hystrichosphaeridium type 2 | Tortonian | Tortonian |
|
Hystrichosphaeridium diploporum | Ordovician | Ordovician |
|
Hystrichosphaeridium armatum | Cretaceous | Cretaceous |
|
Hystrichosphaeridium eisenackii | Late Givetian | Late Givetian |
|
Hystrichosphaeridium sprucegrovensis | Late Devonian | Late Devonian |
|
Hystrichosphaeridium hymenoferum | Ordovician | Ordovician |
|
Hystrichosphaeridium verschiedener | Nd | Nd |
|
Hystrichosphaeridium ordovicum | Ordovician | Ordovician |
|
Hystrichosphaeridium rotundatum | Middle Cambrian | Middle Cambrian |
|