Abstract:
Three distinct, rich neocomitid faunas occur in the Agrio Formation (middle Valanginian to lowermost Barremian). In the ammonite sequences between, neocomitids are very rare and limited to two thin horizons. The lower, upper Valanginian level has yielded Neocomites (Varlheideites) cf. peregrinus Rawson and Kemper, Neocomites (Varlheideites) sp. nov.? and Rodighieroites sp. which are widely distributed taxa. The upper level contains Comahueites aequalicostatus gen. et sp. nov., which appears endemic to the basin. © 2017 Elsevier Ltd
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Documento: |
Artículo
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Título: | New Valanginian–Hauterivian neocomitid ammonites from the Neuquén Basin, Argentina |
Autor: | Aguirre-Urreta, B.; Rawson, P.F. |
Filiación: | Instituto de Estudios Andinos Don Pablo Groeber (UBA-CONICET), Departamento de Ciencias Geológicas, Universidad de Buenos Aires, Pabellón II, Ciudad Universitaria, Buenos Aires, 1428, Argentina School of Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT, United Kingdom
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Palabras clave: | Agrio Formation; Ammonite; Andes; Early Cretaceous; Paleogeography; ammonite; Cretaceous; endemic species; new species; new taxon; paleogeography; Andes; Ammonoidea; Neocomitidae |
Año: | 2018
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Volumen: | 88
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Página de inicio: | 149
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Página de fin: | 157
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DOI: |
http://dx.doi.org/10.1016/j.cretres.2017.03.017 |
Título revista: | Cretaceous Research
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Título revista abreviado: | Cretaceous Res.
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ISSN: | 01956671
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01956671_v88_n_p149_AguirreUrreta |
Referencias:
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Citas:
---------- APA ----------
Aguirre-Urreta, B. & Rawson, P.F.
(2018)
. New Valanginian–Hauterivian neocomitid ammonites from the Neuquén Basin, Argentina. Cretaceous Research, 88, 149-157.
http://dx.doi.org/10.1016/j.cretres.2017.03.017---------- CHICAGO ----------
Aguirre-Urreta, B., Rawson, P.F.
"New Valanginian–Hauterivian neocomitid ammonites from the Neuquén Basin, Argentina"
. Cretaceous Research 88
(2018) : 149-157.
http://dx.doi.org/10.1016/j.cretres.2017.03.017---------- MLA ----------
Aguirre-Urreta, B., Rawson, P.F.
"New Valanginian–Hauterivian neocomitid ammonites from the Neuquén Basin, Argentina"
. Cretaceous Research, vol. 88, 2018, pp. 149-157.
http://dx.doi.org/10.1016/j.cretres.2017.03.017---------- VANCOUVER ----------
Aguirre-Urreta, B., Rawson, P.F. New Valanginian–Hauterivian neocomitid ammonites from the Neuquén Basin, Argentina. Cretaceous Res. 2018;88:149-157.
http://dx.doi.org/10.1016/j.cretres.2017.03.017