| original |
Early Cretaceous |
|
Argentina(Santa Cruz) |
Baldoni,A.M. et al. Megaspores of the Lower Cretaceous Springhill form Ation in the Austral Basin, (Or Magallanica), Argentina and Chile |
1985 |
| original |
Early Cretaceous |
|
Chile |
Baldoni,A.M. et al. Megaspores of the Lower Cretaceous Springhill form Ation in the Austral Basin, (Or Magallanica), Argentina and Chile |
1985 |
| details |
Early Cretaceous |
|
Argentina(Santa Cruz) |
Batten,D.J. et al. Cabochonicus, a new genus for species of gemmate megaspores previously referred to Verrutriletes. |
1987 |
| details |
Berriasian |
Valanginian |
South America |
Riccardi,A.C. The Cretaceous System of southern South America. |
1988 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |