Quadrisporites |
Quadrisporites granulatus
|
USA |
Llandoverian |
Wenlockian |
Quadrisporites |
Quadrisporites variabilis
|
USA(Eastern) |
Silurian |
|
Quadrisporites |
Quadrisporites variabilis
|
Florida |
Silurian |
|
Retialetes |
Retialetes legionis
|
USA |
Silurian |
|
Riculasphaera |
Riculasphaera
|
Nd |
Nd |
|
Schismatosphaeridium |
Schismatosphaeridium perforatum
|
USA |
Early Gothlandian |
|
Schismatosphaeridium |
Schismatosphaeridium sp.1
sp. nov. |
USA |
Early Gothlandian |
|
Solita |
Solita radiofurcata
|
USA(Eastern) |
Early Gothlandian |
|
Tunisphaeridium |
Tunisphaeridium caudatum
|
USA |
Silurian |
|
Tunisphaeridium |
Tunisphaeridium parvum
|
USA |
Silurian |
|
Tunisphaeridium |
Tunisphaeridium tentaculaferum
|
USA |
Silurian |
|
Veryhachium |
Veryhachium downiei
|
USA |
Silurian |
|
Veryhachium |
Veryhachium europaeum
|
USA |
Silurian |
|
Veryhachium |
Veryhachium europaeum
|
USA |
Llandoverian |
Wenlockian |
Veryhachium |
Veryhachium irroratum
|
USA(Eastern) |
Early Gothlandian |
|
Veryhachium |
Veryhachium lairdii
|
USA |
Silurian |
|
Veryhachium |
Veryhachium ledanoisii
|
USA(Eastern) |
Llandoverian |
Wenlockian |