Micrhystridium |
Micrhystridium radians
|
Belgium |
Silurian |
|
Micrhystridium |
Micrhystridium shinetonense
|
Belgium |
Tarannon |
|
Micrhystridium |
Micrhystridium spinoglobosum
|
Belgium |
Tarannon |
|
Micrhystridium |
Micrhystridium stellatum
|
Belgium |
Tarannon |
|
Micrhystridium |
Micrhystridium stellatum
|
Belgium |
Silurian |
Devonian |
Micrhystridium |
Micrhystridium varians
sp. nov. |
Belgium |
Tarannon |
|
Micrhystridium |
Micrhystridium vulgare
|
Belgium |
Tarannon |
|
Pterospermopsis |
Pterospermopsis onondagaensis
|
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium delmeri
sp. nov. |
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium downiei
|
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium geometricum
|
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium lairdii
|
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium limaciforme
sp. nov. |
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium mucronatum
sp. nov. |
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium reductum
|
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium reductum
|
Belgium |
Tarannon |
|
Veryhachium |
Veryhachium sp
|
Belgium |
Tarannon |
|