Name | From | To | Age range |
---|---|---|---|
Surculosphaeridium polyozum | Late Oligocene | Middle Miocene |
|
Surculosphaeridium sp. Duff.& Stei.,1986 | Early Miocene | Middle Miocene |
|
Surculosphaeridium alagoense | Middle Eocene | Miocene |
|
Surculosphaeridium longifurcatum | Late Toarcian | Pleistocene |
|
Surculosphaeridium | Mesozoic | Cenozoic |
|
Surculosphaeridium sp. Head & Norr.,1989 | Oligocene | Oligocene |
|
Surculosphaeridium granulosum | Early Albian | Early Albian |
|
Surculosphaeridium granulatum | Danian | Danian |
|
Surculosphaeridium divarispinosum | Early Albian | Early Albian |
|
Surculosphaeridium sp.2 | Late Quaternary | Late Quaternary |
|
Surculosphaeridium sp.A | Early Oxfordian | Early Oxfordian |
|
Surculosphaeridium sp. Guer.,1990 | Eocene | Eocene |
|
Surculosphaeridium sp.1 | Early Cretaceous | Early Cretaceous |
|
Surculosphaeridium calicigerum | Early Rupelian | Early Rupelian |
|
Surculosphaeridium spinicongregatum | Nd | Nd |
|