Name | From | To | Age range |
---|---|---|---|
Alterbia dilwynensis | Maastrichtian | Maastrichtian |
|
Alterbia polymorpha | Maastrichtian | Maastrichtian |
|
Alterbia ectorugosa | Late Eocene | Late Eocene |
|
Alterbia xinjiangensis | Paleocene | Paleocene |
|
Alterbia magnifica | Eocene | Eocene |
|
Alterbia macrocysta | Campanian | Campanian |
|
Alterbia ingramii | Turonian | Turonian |
|
Alterbia raijae | Maastrichtian | Maastrichtian |
|
Alterbia acribes | Early Albian | Early Albian |
|
Alterbia mauthei | Nd | Nd |
|
Alterbia rhombohedra | Early Paleocene | Early Paleocene |
|