Dictyotidium |
Dictyotidium dictyotum
|
Sweden(Gotland) |
Early Silurian |
|
Dictyotidium |
Dictyotidium faviforme
|
Sweden(Gotland) |
Early Silurian |
|
Diexallophasis |
Diexallophasis
|
Canada(Nova Scotia) |
Llandoverian |
|
Diexallophasis |
Diexallophasis denticulata
|
Sweden(Gotland) |
Early Silurian |
|
Disparifusa |
Disparifusa
|
Nd |
Nd |
|
Divietipellis |
Divietipellis
|
Nd |
Nd |
|
Domasia |
Domasia
|
Nd |
Nd |
|
Domasia |
Domasia amphora
|
Sweden(Gotland) |
Silurian |
|
Domasia |
Domasia bispinosa
|
Sweden(Gotland) |
Silurian |
|
Domasia |
Domasia limaciformis
|
Sweden(Gotland) |
Silurian |
|
Domasia |
Domasia quadrispinosa
|
Sweden(Gotland) |
Silurian |
|
Domasia |
Domasia rochesterensis
|
Sweden(Gotland) |
Silurian |
|
Domasia |
Domasia trispinosa
|
Sweden(Gotland) |
Silurian |
|
Duvernaysphaera |
Duvernaysphaera
|
Nd |
Nd |
|
Duvernaysphaera |
Duvernaysphaera angelae
|
Ohio |
Givetian |
|
Duvernaysphaera |
Duvernaysphaera aranaides
|
Sweden(Gotland) |
Silurian |
|
Duvernaysphaera |
Duvernaysphaera aranaides
|
Canada(Nova Scotia) |
Ludlovian |
|