Polygonium |
Polygonium gracile
|
Bolivia |
Late Llandoverian |
Early Wenlockian |
Polygonium |
Polygonium gracile
|
Argentina(Jujuy) |
Late Llandoverian |
Early Wenlockian |
Pterochitina |
Pterochitina perivelata
|
Brazil(Amazonas) |
Late Ludlovian |
Early Pridolian |
Pterospermella |
Pterospermella pernambucensis
|
Bolivia |
Ludlovian |
|
Quadraditum |
Quadraditum deunffii
|
Nd |
Nd |
|
Quadraditum |
Quadraditum fantasticum
|
Bolivia |
Late Ludlovian |
Pridolian |
Quadraditum |
Quadraditum ibericum
|
Nd |
Nd |
|
Quadruilobus |
Quadruilobus sp
|
Bolivia |
Ludlovian |
|
Schismatosphaeridium |
Schismatosphaeridium sp
|
Nd |
Nd |
|
Spathachitina |
Spathachitina cruzi
|
Brazil(Paraiba) |
Late Llandoverian |
Early Wenlockian |
Tasmanites |
Tasmanites sommeri
|
Bolivia |
Ludlovian |
|
Tetrahedraletes |
Tetrahedraletes sp
|
|
Ashgillian |
Late Llandoverian |
Triangulina |
Triangulina alargada
|
Brazil(Paraiba) |
Siegenian |
|
Veliferites |
Veliferites jachalensis
|
Paraguay |
Late Llandoverian |
Early Wenlockian |
Veliferites |
Veliferites jachalensis
|
Argentina(Jujuy) |
Late Llandoverian |
Early Wenlockian |
Veliferites |
Veliferites jachalensis
|
Bolivia |
Late Llandoverian |
Pridolian |
Veliferites |
Veliferites tenuimarginatus
|
Brazil(Paraiba) |
Siegenian |
|