Acanthomorphitae |
Acanthomorphitae
|
Argentina(Jujuy) |
Arenigian |
|
Acanthotriletes |
Acanthotriletes
|
Argentina(La Rioja) |
Namurian |
|
Acanthotriletes |
Acanthotriletes
|
Argentina(La Rioja) |
Westphalian |
|
Acanthotriletes |
Acanthotriletes filiformis
|
Argentina(San Luis) |
Sakmarian |
|
Aequitriradites |
Aequitriradites baculatus
|
|
Early Cretaceous |
|
Aequitriradites |
Aequitriradites spinulosus
|
|
Early Cretaceous |
|
Aequitriradites |
Aequitriradites verrucosus
|
|
Early Cretaceous |
|
Alisporites |
Alisporites grandis
|
|
Early Cretaceous |
|
Anapiculatisporis |
Anapiculatisporis
|
Argentina(Mendoza) |
Middle Triassic |
Late Triassic |
Anapiculatisporis |
Anapiculatisporis
|
Argentina(San Juan) |
Middle Triassic |
Late Triassic |
Ancistrospora |
Ancistrospora
|
Argentina(La Rioja) |
Namurian |
|
Ancyrochitina |
Ancyrochitina ancyrea
|
Bolivia |
Silurian |
|
Ancyrochitina |
Ancyrochitina sp
|
Argentina(Tierra) |
Early Givetian |
|
Angochitina |
Angochitina capillata
|
Argentina(Tierra) |
Early Givetian |
|
Apiculatisporis |
Apiculatisporis cornutus
|
Argentina(San Luis) |
Sakmarian |
|
Apiculatisporites |
Apiculatisporites
|
Argentina(La Rioja) |
Westphalian |
|
Apiculiretusispora |
Apiculiretusispora
|
Argentina(La Rioja) |
Namurian |
|