| Name | From | To | Age range |
|---|---|---|---|
| Alterbia bicavata | Campanian | Maastrichtian |
|
| Alterbia bellula | Early Eocene | Late Eocene |
|
| Alterbia balmei | Turonian | Maastrichtian |
|
| Alterbia bakeri | Early Santonian | Early Eocene |
|
| Alterbia asymmetrica | Middle Albian | Quaternary |
|
| Alterbia amphiata | Early Santonian | Maastrichtian |
|
| Alterbia ambigua | Cenomanian | Middle Eocene |
|
| Alterbia acutula | Campanian | Danian |
|
| Alterbia acuminata | Early Cretaceous | Maastrichtian |
|
| Alterbia acribes | Early Albian | Early Albian |
|
| Alterbia | Aptian | Early Tertiary |
|