Polyedryxium |
Polyedryxium deflandrei
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Polyedryxium |
Polyedryxium helenaster
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Polyedryxium |
Polyedryxium rabians
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Pterospermella |
Pterospermella bernardinae
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Pterospermella |
Pterospermella hermosita
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Pterospermella |
Pterospermella onondagaensis
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Pterospermella |
Pterospermella sp
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Quadraditum |
Quadraditum fantasticum
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Quadraditum |
Quadraditum ibericum
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Tunisphaeridium |
Tunisphaeridium caudatum
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Tylotopalla |
Tylotopalla digitifera
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Veliferites |
Veliferites jachalensis
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Veryhachium |
Veryhachium downiei
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Veryhachium |
Veryhachium europaeum
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Veryhachium |
Veryhachium inflatissimum
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Veryhachium |
Veryhachium micropolygonale
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |
Veryhachium |
Veryhachium reductum
|
Argentina(San Juan) |
Early Ludlovian |
Middle Ludlovian |