Genus Amphidiadema
- Species total:
- 9
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Amphidiadema palaeocenica | Paleocene | Early Eocene |
|
| Amphidiadema similis | Maastrichtian | Maastrichtian |
|
| Amphidiadema rectangularis | Late Turonian | Early Campanian |
|
| Amphidiadema nucula | Turonian | Early Paleocene |
|
| Amphidiadema sp.A Ilin.et al,1994 | Late Cenomanian | Early Turonian |
|
| Amphidiadema reticulata | Albian | Albian |
|
| Amphidiadema sp | Valanginian | Early Maastrichtian |
|
| Amphidiadema denticulata | Late Tithonian | Maastrichtian |
|
| Amphidiadema | Mesozoic | Cenozoic |
|