Name | From | To | Age range |
---|---|---|---|
Sphaerina | Middle Jurassic | Middle Jurassic |
|
Sphaerina bulbosa | Rhaetian | Callovian |
|
Sphaerina eresinella | Early Cretaceous | Early Cretaceous |
|
Sphaerina exilis | Early Triassic | Early Triassic |
|
Sphaerina glabra | Early Cambrian | Middle Cambrian |
|
Sphaerina media | Late Cambrian | Ordovician |
|
Sphaerina minuta | Cambrian | Cambrian |
|
Sphaerina multispinella | Hettangian | Toarcian |
|
Sphaerina multispinellata | Early Jurassic | Early Jurassic |
|
Sphaerina parvispinellata | Early Triassic | Liassic |
|
Sphaerina parvispinellatiformis | Olenikian | Keuper |
|
Sphaerina rugosa | Early Cambrian | Middle Cambrian |
|
Sphaerina sp | Induan | Early Cretaceous |
|
Sphaerina spinellata | Early Mesozoic | Late Triassic |
|
Sphaerina spinellatiformis | Olenikian | Liassic |
|
Sphaerina spinigera | Jurassic | Valanginian |
|
Sphaerina taiwanensis | Late Miocene | Early Pleistocene |
|