Palinología de la formación Chiquimil (Mioceno Superior) en Río Vallecito, provincia de Catamarca, Argentina. Parte 3. Polen
2002; Asociación Paleontológica Argentina; Volume: 39; Issue: 3 Linguagem: Inglês
ISSN
1851-8044
AutoresLilia R. Mautino, Luisa M. Anzótegui,
Tópico(s)Evolution and Paleontology Studies
ResumoSystematic descriptions of 33 angiosperm pollen species from the Chiquimil Formation at Rio Vallecito are presented. Two species are emended: Rhoipites atoeolaius (Couper) Pocknall and Crosbie, and R. baculaius Archangelsky and two new combinations are proposed: Tubulijioriditc« spinosus Hammen ex Germeraad, Hopping and Muller and T. minutus Regali, Uesugui and Santos. In addition the following species: Periporopollenites uesicus Partridge, Parsonsidites muliiporus Mildenhall and Crosbie, Rhoipites alueolatus (Couper) Pocknall and Crosbie, R. exiguus Pocknall, R. karamuensi « Pocknall, R. fmgilis Mildenhall and Pocknall, Tnbuiijlondncs minutus Regali, Uesugui and Santos, Pauieocoprosnuuiites zeiandiae Pocknall, Psilatricolporites cyanllls Hammen and Wijmstra, Tetracolporopollenite « lllegndolilll1l (Potonie) Frederiksen and PolycolpJropollenites esobalieus (McIntyre) Pocknall and Mildcnhall me recorded for Argentina for the first time. In the pollen assemblages of Rio Vallecito 90 species ha ve been recognised, having most of them a wide distribution in Gondwana.
Referência(s)