Name | From | To | Age range |
---|---|---|---|
Duvernaysphaera gothica | Llandoverian | Ludlovian |
|
Duvernaysphaera elongata | Late Llandoverian | Late Llandoverian |
|
Duvernaysphaera blanca | Late Wenlockian | Late Wenlockian |
|
Duvernaysphaera aranaides | Early Paleozoic | Early Emsian |
|
Duvernaysphaera angelae | Devonian | Famennian |
|
Duvernaysphaera actinota | Gedinnian | Gedinnian |
|
Duvernaysphaera | Precambriam | Holocene |
|