Name | From | To | Age range |
---|---|---|---|
Triangulina sp.A | Caradocian | Wenlockian |
|
Triangulina sp.B | Middle Pridolian | Middle Pridolian |
|
Triangulina spinosella | Hettangian | Toarcian |
|
Triangulina trichacantha | Early Cretaceous | Early Cretaceous |
|