Dorsennidium |
Dorsennidium hebetatum
|
Canada |
Middle Devonian |
|
Dorsennidium |
Dorsennidium hyalodermum
|
Australia(S.Australia) |
Late Cretaceous |
|
Dorsennidium |
Dorsennidium igneum
|
France(Finistere) |
Early Devonian |
|
Dorsennidium |
Dorsennidium indicum
|
India(Andaman) |
Oligocene |
|
Dorsennidium |
Dorsennidium inflatissimum
|
Spain |
Early Devonian |
|
Dorsennidium |
Dorsennidium inflatum
|
England |
Wenlockian |
|
Dorsennidium |
Dorsennidium irevikenense
|
Sweden(Gotland) |
Wenlockian |
|
Dorsennidium |
Dorsennidium irregulare
|
Yugoslavia |
Permian |
Triassic |
Dorsennidium |
Dorsennidium irregulare
|
Yugoslavia |
Permian |
Triassic |
Dorsennidium |
Dorsennidium irregulare
|
England |
Early Jurassic |
|
Dorsennidium |
Dorsennidium kufferathi
|
Belgium |
Late Devonian |
|
Dorsennidium |
Dorsennidium longispiniferum
|
China |
Early Cambrian |
|
Dorsennidium |
Dorsennidium mametii
|
Canada(Quebec) |
Early Ordovician |
|
Dorsennidium |
Dorsennidium mamillatum
|
Canada(Ontario) |
Late Devonian |
|
Dorsennidium |
Dorsennidium micropolygonale
|
Belgium |
Late Devonian |
|
Dorsennidium |
Dorsennidium minor
|
Canada(Ontario) |
Late Devonian |
|
Dorsennidium |
Dorsennidium minutum
|
England |
Tremadocian |
|