Dictyotidium |
Dictyotidium birvetense
|
USSR(Russian Platform) |
Early Cambrian |
|
Dictyotidium |
Dictyotidium coarctatum
|
Nd |
Nd |
|
Dictyotidium |
Dictyotidium cohorum
|
Nd |
Nd |
|
Dictyotidium |
Dictyotidium polosymmetrium
|
Nd |
Nd |
|
Dictyotidium |
Dictyotidium variatum
|
Nd |
Siegenian |
Famennian |
Dictyotidium |
Dictyotidium vietulum
|
Nd |
Nd |
|
Diexallophasis |
Diexallophasis denticulata
|
Nd |
Gedinnian |
Givetian |
Diexallophasis |
Diexallophasis denticulata
|
Worldwide |
Ashgillian |
|
Diexallophasis |
Diexallophasis remota
|
Nd |
Gedinnian |
Givetian |
Diexallophasis |
Diexallophasis simplex
|
Nd |
Nd |
|
Diexallophasis |
Diexallophasis tappaniae
|
Nd |
Gedinnian |
Emsian |
Dilatisphaera |
Dilatisphaera williereae
|
Nd |
Late Aeronian |
|
Dilatisphaera |
Dilatisphaera wimanii
|
Sweden(Gotland) |
Llandoverian |
|
Dilatisphaera |
Dilatisphaera wimanii
|
Worldwide |
Late Aeronian |
Early Ludfordian |
Dilatisphaera |
Dilatisphaera wimanii
|
Gondwanaland |
Cautleyan |
Hirnantian |
Domasia |
Domasia amphora
|
Sweden(Gotland) |
Llandoverian |
|
Domasia |
Domasia amphora
|
Worldwide |
Telychian |
Early Sheinwoodian |