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Amenábar,Cecilia R.; Di Pasquo,Mercedes; Carrizo,Hugo A.; Azcuy,Carlos L.. |
Palynological analysis of the Chigua and Malimán formations of Middle Devonian and Mississippian age respectively, is presented. They crop out in the Del Volcán Range at the Río Blanco Basin in western Argentina. In this second part, 40 indigenous species of cavate, pseudosaccate and cingulizonate spores from both units are illustrated. The species Geminospora sp. cf. G. tuberculata var. tuberculata McGregor is recorded in the Middle Devonian of South America for the first time. The following species are also recorded in the Mississippian of South America for the first time as Crassispora invicta Playford, Densosporites asperus Braman and Hills, Densosporites gracilis Smith and Butterworth, Densosporites secundus Playford and Satterthwait, Densosporites... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Palynology; Chigua Formation; Malimán Formation; Middle Devonian; Mississippian; San Juan Province; Argentina. |
Ano: 2007 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142007000300005 |
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