Name | From | To | Age range |
---|---|---|---|
Pirumella | Hauterivian | Hauterivian |
|
Pirumella albiensis | Middle Albian | Late Albian |
|
Pirumella amplicrystallina | Maastrichtian | Maastrichtian |
|
Pirumella bassriverensis | Cenomanian | Cenomanian |
|
Pirumella bilamellata | Campanian | Early Maastrichtian |
|
Pirumella carteri | Tithonian | Tithonian |
|
Pirumella cookii | Coniacian | Santonian |
|
Pirumella cumulosa | Late Cenomanian | Late Cenomanian |
|
Pirumella cylindrica | Campanian | Maastrichtian |
|
Pirumella echinosa | Early Albian | Early Paleocene |
|
Pirumella edgarii | Albian | Middle Eocene |
|
Pirumella edithvincentae | Hauterivian | Hauterivian |
|
Pirumella edithvincentiae | Nd | Nd |
|
Pirumella fusiformis | Danian | Danian |
|
Pirumella heirtzleri | Albian | Albian |
|
Pirumella hystrichosphaeroidea | Late Cenomanian | Late Cenomanian |
|
Pirumella irregularis | Recent | Recent |
|