Name | From | To | Age range |
---|---|---|---|
Surculosphaeridium | Mesozoic | Cenozoic |
|
Surculosphaeridium sp | Jurassic | Selandian |
|
Surculosphaeridium longifurcatum | Late Toarcian | Pleistocene |
|
Surculosphaeridium vestitum | Late Bajocian | Cretaceous |
|
Surculosphaeridium cribrotubiferum | Bathonian | Late Eocene |
|
Surculosphaeridium sp.A | Early Oxfordian | Early Oxfordian |
|
Surculosphaeridium sp.I Dave.,1982 | Middle Volgian | Aptian |
|
Surculosphaeridium sp.III Dave.,1982 | Late Volgian | Early Hauterivian |
|
Surculosphaeridium sp.1 | Early Cretaceous | Early Cretaceous |
|
Surculosphaeridium sp.II Dave.,1982 | Ryazanian | Early Valanginian |
|
Surculosphaeridium trunculum | Valanginian | Early Cenomanian |
|
Surculosphaeridium phoenix | Barremian | Late Albian |
|
Surculosphaeridium belowii | Late Barremian | Early Campanian |
|
Surculosphaeridium granulosum | Early Albian | Early Albian |
|
Surculosphaeridium divarispinosum | Early Albian | Early Albian |
|
Surculosphaeridium spinocongregatum | Early Cenomanian | Middle Coniacian |
|
Surculosphaeridium basifurcatum | Early Santonian | Campanian |
|