Leiofusa |
Leiofusa striatifera
|
Nd |
Nd |
|
Leiofusa |
Leiofusa tumida
|
USA |
Silurian |
|
Lophodiacrodium |
Lophodiacrodium pepino
|
USA |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium agudisimum
sp. nov. |
USA |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium citrinipeltatum
|
USA |
Llandoverian |
Wenlockian |
Lophosphaeridium |
Lophosphaeridium citrinipeltatum
sp. nov. |
USA |
Early Llandoverian |
|
Lophosphaeridium |
Lophosphaeridium citrinum
|
USA |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium papillatum
|
USA |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium papillatum
|
USA(Eastern) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium peltatum
|
USA |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium vieillum
|
USA(Eastern) |
Early Gothlandian |
|
Micrhystridium |
Micrhystridium acanthiferum
|
USA(Eastern) |
Silurian |
|
Micrhystridium |
Micrhystridium clarkii
sp. nov. |
USA |
Llandoverian |
Wenlockian |
Micrhystridium |
Micrhystridium granocentricum
sp. nov. |
USA |
Silurian |
|
Micrhystridium |
Micrhystridium inconspicuum
|
USA(Eastern) |
Silurian |
|
Micrhystridium |
Micrhystridium maplewoodensis
|
USA(Eastern) |
Llandoverian |
Wenlockian |
Micrhystridium |
Micrhystridium stellatum
|
USA(Eastern) |
Silurian |
|