Name | From | To | Age range |
---|---|---|---|
Alterbia xinjiangensis | Paleocene | Paleocene |
|
Alterbia subtilis | Campanian | Campanian |
|
Alterbia sp.B | Early Campanian | Early Campanian |
|
Alterbia sp.A | Early Cenomanian | Santonian |
|
Alterbia sp | Middle Albian | Early Eocene |
|
Alterbia rhombohedra | Early Paleocene | Early Paleocene |
|
Alterbia recticornis | Turonian | Middle Eocene |
|
Alterbia raijae | Maastrichtian | Maastrichtian |
|
Alterbia puyangensis | Early Tertiary | Middle Miocene |
|
Alterbia polymorpha | Maastrichtian | Maastrichtian |
|
Alterbia pilosa | Campanian | Maastrichtian |
|
Alterbia pentaradiata | Early Teurian | Early Waipawan |
|
Alterbia pellucida | Early Santonian | Early Eocene |
|
Alterbia ovalis | Turonian | Middle Eocene |
|
Alterbia obscura | Cenomanian | Danian |
|
Alterbia montanaensis | Early Campanian | Maestrichtian |
|
Alterbia minor | Cenomanian | Teurian |
|