Dorsennidium |
Dorsennidium sedecimispinosum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium signum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium simplex
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium singulare
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium sortehatense
|
Greenland |
Middle Jurassic |
|
Dorsennidium |
Dorsennidium splendens
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium stelligerum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium stelligerum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium stelligerum
|
Canada |
Middle Devonian |
|
Dorsennidium |
Dorsennidium stelligerum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium sufflatum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium symmetricum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium tetraxis
|
England |
Late Jurassic |
|
Dorsennidium |
Dorsennidium transitorium
|
England |
Early Jurassic |
|
Dorsennidium |
Dorsennidium variable
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium vesiculospinum
|
Nd |
Nd |
|
Dorsennidium |
Dorsennidium vesiculospinum
|
Nd |
Nd |
|