A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy

A new ammonoid species of the Andean endemic genus Andiceras Krantz is here described from upper Tithonian-lower Berriasian levels of the Vaca Muerta and Chachao Formations of the Mendoza Group, in north-western Mendoza Province, Argentina. Andiceras planulatus sp. nov. lies between the last beds wi...

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Autores principales:	Vennari,Verónica V, Álvarez,Pamela P, Aguirre-Urreta,Beatriz
Lenguaje:	English
Publicado:	Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2012
Materias:	Ammonoidea Andiceras Tithonian Berriasian Neuquén Basin Vaca Muerta Formation Chachao Formation Argentina
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062012000100005
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spelling	oai:scielo:S0718-710620120001000052012-03-29A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and BiostratigraphyVennari,Verónica VÁlvarez,Pamela PAguirre-Urreta,Beatriz Ammonoidea Andiceras Tithonian Berriasian Neuquén Basin Vaca Muerta Formation Chachao Formation Argentina A new ammonoid species of the Andean endemic genus Andiceras Krantz is here described from upper Tithonian-lower Berriasian levels of the Vaca Muerta and Chachao Formations of the Mendoza Group, in north-western Mendoza Province, Argentina. Andiceras planulatus sp. nov. lies between the last beds with representatives of the Substeueroceras koeneni Assemblage Zone of late Tithonian age and the first bed yielding elements of the Argentiniceras noduliferum Assemblage Zone of early Berriasian age, according to the traditional Andean ammonoid zonation scheme. The particular stratigraphic position of Andicerasplanulatus, together with its easily recognizable morphology makes this species a good potential biostratigraphic marker for the Jurassic-Cretaceous boundary in the Andean region.info:eu-repo/semantics/openAccessServicio Nacional de Geología y Minería (SERNAGEOMIN)Andean geology v.39 n.1 20122012-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062012000100005en
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Ammonoidea Andiceras Tithonian Berriasian Neuquén Basin Vaca Muerta Formation Chachao Formation Argentina
spellingShingle	Ammonoidea Andiceras Tithonian Berriasian Neuquén Basin Vaca Muerta Formation Chachao Formation Argentina Vennari,Verónica V Álvarez,Pamela P Aguirre-Urreta,Beatriz A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy
description	A new ammonoid species of the Andean endemic genus Andiceras Krantz is here described from upper Tithonian-lower Berriasian levels of the Vaca Muerta and Chachao Formations of the Mendoza Group, in north-western Mendoza Province, Argentina. Andiceras planulatus sp. nov. lies between the last beds with representatives of the Substeueroceras koeneni Assemblage Zone of late Tithonian age and the first bed yielding elements of the Argentiniceras noduliferum Assemblage Zone of early Berriasian age, according to the traditional Andean ammonoid zonation scheme. The particular stratigraphic position of Andicerasplanulatus, together with its easily recognizable morphology makes this species a good potential biostratigraphic marker for the Jurassic-Cretaceous boundary in the Andean region.
author	Vennari,Verónica V Álvarez,Pamela P Aguirre-Urreta,Beatriz
author_facet	Vennari,Verónica V Álvarez,Pamela P Aguirre-Urreta,Beatriz
author_sort	Vennari,Verónica V
title	A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy
title_short	A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy
title_full	A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy
title_fullStr	A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy
title_full_unstemmed	A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy
title_sort	new species of andiceras krantz (cephalopoda: ammonoidea) from the late jurassic-early cretaceous of the neuquén basin, mendoza, argentina: systematics and biostratigraphy
publisher	Servicio Nacional de Geología y Minería (SERNAGEOMIN)
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062012000100005
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A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquén Basin, Mendoza, Argentina: Systematics and Biostratigraphy

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