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