| details |
Artinskian |
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Arai,M. et al. Megaspores of Sao Joao do Triunfo, Parana, Rio Bonito Formation, Permian. |
1983 |
| original |
Artinskian |
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Arai,M. et al. Megaspores from the Rio Bonito Formation of Sao Joao do Triunfo of Parana State, Brazil. |
1984 |
| details |
Early Permian |
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Ricardi-Branco,F. et al. Megaspores from coals of the Triunfo Member, Rio Bonito Formation (Lower Permian), northeastern ParanЎ State, Brazil. |
2002 |
| details |
Westphalian |
|
Brazil(Sao Paulo) |
do Amaral,P.G.C. et al. Megaspores From Upper Carboniferous Glacial Beds (Iratar© Subgroup) in NE portion of the ParanЎ Basin, SЈo Paulo State, Brazil. |
2004 |