Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains
This is a systematic study of the palynological assemblages recorded in the upper part of the La Veteada Formation (upper La Veteada Association), which constitutes the section of the type locality, La Rioja Province, Argentina. In this contribution, 72 species of striate (monosaccate and bisaccate)...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00027014_v51_n6_p529_Gutierrez http://hdl.handle.net/20.500.12110/paper_00027014_v51_n6_p529_Gutierrez |
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paper:paper_00027014_v51_n6_p529_Gutierrez2023-06-08T14:22:29Z Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains Gutierrez, Pedro Raúl Argentina La Rioja La Veteada Formation Pollen grains Upper Permian new species palynology Permian pollen taxonomy type locality biostratigraphy biozonation geographical distribution identification key morphology paleobotany species diversity species inventory Argentina South America Brazil La Rioja [Argentina] Uruguay Cordaitales Lueckisporites Lunatisporites Marsupipollenites Potonieisporites Protohaploxypinus Vittatina Weylandites This is a systematic study of the palynological assemblages recorded in the upper part of the La Veteada Formation (upper La Veteada Association), which constitutes the section of the type locality, La Rioja Province, Argentina. In this contribution, 72 species of striate (monosaccate and bisaccate), plicates and colpate pollen grains are presented. Four new species are described: Meristocorpus veteadensis sp. nov., Lueckisporites biformis sp. nov., Lunatisporites lenticularis sp. nov., and Marsupipollenites costatus sp. nov. and, a new combination, i.e., Striatopodocarpites gopadensis (Bharadwaj and Srivastava) comb. nov is proposed. This palynoflora has a marked dominance of striate pollen grains which have great species diversity of Striatopodocarpites (with 11 species)-Protohaploxypinus (9 species)-Lueckisporites (9 species)-Lunatisporites (8 species) complex, showing scarse participation of the genera Vittatina, Weylandites, Marsupipollenites, Corisaccites, Staurosaccites and Pakhapites, as well as pollen grains referred to Cordaitales (Potonieisporites, Cannanoropollis, Caheniasaccites, Plicatipollenites, Barakarites). It shares taxa recorded in the LW (Argentina), Vc-Lv (Brazil) and IS-AC (Uruguay) biozones. Tables include full taxonomic composition of the microflora of the La Veteada Formation at its type locality, the palynostratigraphic correlation of the Neopaleozoic strata of central Argentina, southern Brazil and Uruguay, and the global previous stratigraphic records of the species recorded and discussed herein. The palynoflora of the upper La Veteada Formation is referred to the Late Permian (Lopingian) based on the stratigraphic range of all the recognized species. Consequently, it is considered the youngest Permian palynoflora recorded hitherto in Argentina and South America. Fil:Gutiérrez, P.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00027014_v51_n6_p529_Gutierrez http://hdl.handle.net/20.500.12110/paper_00027014_v51_n6_p529_Gutierrez |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Argentina La Rioja La Veteada Formation Pollen grains Upper Permian new species palynology Permian pollen taxonomy type locality biostratigraphy biozonation geographical distribution identification key morphology paleobotany species diversity species inventory Argentina South America Brazil La Rioja [Argentina] Uruguay Cordaitales Lueckisporites Lunatisporites Marsupipollenites Potonieisporites Protohaploxypinus Vittatina Weylandites |
spellingShingle |
Argentina La Rioja La Veteada Formation Pollen grains Upper Permian new species palynology Permian pollen taxonomy type locality biostratigraphy biozonation geographical distribution identification key morphology paleobotany species diversity species inventory Argentina South America Brazil La Rioja [Argentina] Uruguay Cordaitales Lueckisporites Lunatisporites Marsupipollenites Potonieisporites Protohaploxypinus Vittatina Weylandites Gutierrez, Pedro Raúl Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains |
topic_facet |
Argentina La Rioja La Veteada Formation Pollen grains Upper Permian new species palynology Permian pollen taxonomy type locality biostratigraphy biozonation geographical distribution identification key morphology paleobotany species diversity species inventory Argentina South America Brazil La Rioja [Argentina] Uruguay Cordaitales Lueckisporites Lunatisporites Marsupipollenites Potonieisporites Protohaploxypinus Vittatina Weylandites |
description |
This is a systematic study of the palynological assemblages recorded in the upper part of the La Veteada Formation (upper La Veteada Association), which constitutes the section of the type locality, La Rioja Province, Argentina. In this contribution, 72 species of striate (monosaccate and bisaccate), plicates and colpate pollen grains are presented. Four new species are described: Meristocorpus veteadensis sp. nov., Lueckisporites biformis sp. nov., Lunatisporites lenticularis sp. nov., and Marsupipollenites costatus sp. nov. and, a new combination, i.e., Striatopodocarpites gopadensis (Bharadwaj and Srivastava) comb. nov is proposed. This palynoflora has a marked dominance of striate pollen grains which have great species diversity of Striatopodocarpites (with 11 species)-Protohaploxypinus (9 species)-Lueckisporites (9 species)-Lunatisporites (8 species) complex, showing scarse participation of the genera Vittatina, Weylandites, Marsupipollenites, Corisaccites, Staurosaccites and Pakhapites, as well as pollen grains referred to Cordaitales (Potonieisporites, Cannanoropollis, Caheniasaccites, Plicatipollenites, Barakarites). It shares taxa recorded in the LW (Argentina), Vc-Lv (Brazil) and IS-AC (Uruguay) biozones. Tables include full taxonomic composition of the microflora of the La Veteada Formation at its type locality, the palynostratigraphic correlation of the Neopaleozoic strata of central Argentina, southern Brazil and Uruguay, and the global previous stratigraphic records of the species recorded and discussed herein. The palynoflora of the upper La Veteada Formation is referred to the Late Permian (Lopingian) based on the stratigraphic range of all the recognized species. Consequently, it is considered the youngest Permian palynoflora recorded hitherto in Argentina and South America. |
author |
Gutierrez, Pedro Raúl |
author_facet |
Gutierrez, Pedro Raúl |
author_sort |
Gutierrez, Pedro Raúl |
title |
Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains |
title_short |
Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains |
title_full |
Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains |
title_fullStr |
Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains |
title_full_unstemmed |
Palynological study of La Veteada Formation at its type locality (Upper Permian), Famatina Range, La Rioja Province, Argentina. Striate, plicate and colpate pollen grains |
title_sort |
palynological study of la veteada formation at its type locality (upper permian), famatina range, la rioja province, argentina. striate, plicate and colpate pollen grains |
publishDate |
2014 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00027014_v51_n6_p529_Gutierrez http://hdl.handle.net/20.500.12110/paper_00027014_v51_n6_p529_Gutierrez |
work_keys_str_mv |
AT gutierrezpedroraul palynologicalstudyoflaveteadaformationatitstypelocalityupperpermianfamatinarangelariojaprovinceargentinastriateplicateandcolpatepollengrains |
_version_ |
1768546184671002624 |