Genus Zygodiscus
- Species total:
- 6
- Age range:
- 100 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Zygodiscus diplogrammus | Cenomanian | Coniacian |
|
| Zygodiscus elegans | Cenomanian | Coniacian |
|
| Zygodiscus erectus | Cenomanian | Coniacian |
|
| Zygodiscus minimus | Cenomanian | Coniacian |
|
| Zygodiscus plectopans | Late Paleocene | Eocene |
|
| Zygodiscus theta | Early Turonian | Early Turonian |
|