Name | From | To | Age range |
---|---|---|---|
Alterbia acuminata | Early Cretaceous | Maastrichtian |
|
Alterbia | Aptian | Early Tertiary |
|
Alterbia daveyi | Albian | Early Turonian |
|
Alterbia eyrensis | Albian | Cenomanian |
|
Alterbia acribes | Early Albian | Early Albian |
|
Alterbia sp | Middle Albian | Early Eocene |
|
Alterbia asymmetrica | Middle Albian | Quaternary |
|
Alterbia sp.A | Early Cenomanian | Santonian |
|
Alterbia minor | Cenomanian | Teurian |
|
Alterbia obscura | Cenomanian | Danian |
|
Alterbia ambigua | Cenomanian | Middle Eocene |
|
Alterbia foliacea | Turonian | Campanian |
|
Alterbia recticornis | Turonian | Middle Eocene |
|
Alterbia ingramii | Turonian | Turonian |
|
Alterbia balmei | Turonian | Maastrichtian |
|
Alterbia ovalis | Turonian | Middle Eocene |
|
Alterbia pellucida | Early Santonian | Early Eocene |
|