A new biozonation is proposed for the Late Carboniferous strata of the northeastern Paraná
Basin (São Paulo and Paraná States), based on well-preserved palynological assemblages …

Forty-seven rock samples from the stratotypes of three upper Paleogene formations–
Prussian, Palvé, and Kurshskaya formations–were collected from the biggest amber deposit …

Index species useful for correlations with the International Stratigraphical Column are rare or
absent in the Pennsylvanian–Permian strata of the Paraná Basin in Brazil, preventing …

Abstract The Raistrickia densa-Convolutispora muriornata (DM) palynological assemblage
biozone formerly proposed twenty years ago for Pennsylvanian successions of central …

A biozonation for the Permian strata of Uruguay is proposed based on published data from
boreholes 201, 221, CLSC 3, 4, 11, 13 and 24 drilled by Dirección Nacional de Minería y …

Abstract The Lo**ian Series, especially the Changhsingian Stage are here recognized for
the first time in South America, in conjunction with the proposition of a new biostratigraphic …

The results of this contribution represent the first attempt regarding palynological and
paleobotanical records from the municipality of Alfredo Wagner, Santa Catarina State …

Eighty-one species of spores and pollen grains together with algae and fungi remains were
recovered from the shallow lacustrine successions of the La Veteada Formation at the …

Grazing trails found in the rhythmite beds attributed to the Ediacaran Tacuarí Formation
(northern Uruguay) had been identified as the oldest evidence of bilaterians in the world …

This paper presents new data about Early Permian (Cisuralian) strata, palynostratigraphy
and absolute dating from the Copacabana Formation in central Bolivia. Recent stratigraphic …