Acanthodiacrodium |
Acanthodiacrodium angustum
|
Argentina(Salta) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium simplex
|
Argentina(Salta) |
Tremadocian |
Llandeilian |
Acanthodiacrodium |
Acanthodiacrodium tuberatum
|
Argentina(Salta) |
Tremadocian |
|
Actinotodissus |
Actinotodissus achrasii
|
Argentina(Salta) |
Tremadocian |
|
Ambitisporites |
Ambitisporites avitus
|
Argentina(San Juan) |
Ludlovian |
|
Amicosporites |
Amicosporites splendidus
|
Argentina(San Juan) |
Middle Ludlovian |
Middle Pridolian |
Ammonidium |
Ammonidium ludloviense
|
Argentina(San Juan) |
Ludlovian |
|
Ancyrochitina |
Ancyrochitina ancyrea
|
Argentina(San Juan) |
Llandoverian |
|
Ancyrochitina |
Ancyrochitina parisi
|
Argentina(Salta) |
Gedinnian |
Emsian |
Ancyrochitina |
Ancyrochitina primitiva
|
Argentina(Mendoza) |
Llandoverian |
|
Ancyrochitina |
Ancyrochitina sp
|
Argentina(Salta) |
Gedinnian |
Emsian |
Ancyrochitina |
Ancyrochitina sp
|
Falkland Islands |
Eifelian |
Givetian |
Ancyrospora |
Ancyrospora sp
|
Argentina(Salta) |
Frasnian |
Famennian |
Aneurospora |
Aneurospora goensis
|
Argentina(Mendoza) |
Middle Gedinnian |
Siegenian |
Angochitina |
Angochitina capillata
|
Falkland Islands |
Eifelian |
Givetian |
Angochitina |
Angochitina sp
|
Argentina(Salta) |
Gedinnian |
Emsian |
Angochitina |
Angochitina sp
|
Argentina(Salta) |
Middle Frasnian |
Famennian |