Artículo

Zamaloa, M.D.C.; Gandolfo, M.A.; González, C.C.; Romero, E.J.; Cúneo, N.R.; Wilf, P. "Casuarinaceae from the eocene of Patagonia, Argentina" (2006) International Journal of Plant Sciences. 167(6):1279-1289
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Abstract:

Casuarinaceae, today restricted to the Australasian region, has an extensive fossil record. In this article, we evaluate previous records and recent findings from Patagonia, where Casuarinaceae are known from the Tufolitas Laguna del Hunco (early Eocene) in northwestern Chubut, Argentina. Based on characters found in numerous branchlets, infructescences, and male inflorescences with pollen of the Haloragacidites harrisii type, the presence of three fossil species within the genus Gymnostoma is confirmed: G. patagonicum comb. nov., G. archangelskyi sp. nov., and G. argentinum sp. nov. This is the oldest worldwide report of male inflorescences and the first record of vegetative branchlets and male inflorescences for South America. These fossils are of particular interest because Casuarinaceae is now extinct in South America, and they support the view that the family was diverse and had widespread distribution during the early Eocene climatic optimum. The diverse Gymnostoma described here further strengthens biogeographic links between Paleogene floras of Patagonia and Australasia. © 2006 by The University of Chicago. All rights reserved.

Registro:

Documento: Artículo
Título:Casuarinaceae from the eocene of Patagonia, Argentina
Autor:Zamaloa, M.D.C.; Gandolfo, M.A.; González, C.C.; Romero, E.J.; Cúneo, N.R.; Wilf, P.
Filiación:Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactes y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, C1428EHA Buenos Aires, Argentina
L. H. Bailey Hortorium, Department of Plant Biology, Cornell University, Ithaca, NY 14853, United States
Museo Raleontológico Egidio Feruglio, Consejo Nacional de Investigaciones Científicas y Técnicas, Avenida Fontana 140, CP 9100 Trelew, Chubut, Argentina
Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Avenida Angel Gallardo 470, C1405DJR Buenos Aires, Argentina
Department of Geosciences, Pennsylvania State University, University Park, PA 16802, United States
Palabras clave:Argentina; Casuarinaceae; Eocene; Gymnostoma; Megafossils; Patagonia; Pollen; dicotyledon; Eocene; extinction; floral trait; fossil record; paleobiogeography; paleobotany; Argentina; Australasia; Chubut; Patagonia; South America; Casuarinaceae; Gymnostoma
Año:2006
Volumen:167
Número:6
Página de inicio:1279
Página de fin:1289
DOI: http://dx.doi.org/10.1086/507873
Título revista:International Journal of Plant Sciences
Título revista abreviado:Int. J. Plant Sci.
ISSN:10585893
CODEN:IPLSE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10585893_v167_n6_p1279_Zamaloa

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Citas:

---------- APA ----------
Zamaloa, M.D.C., Gandolfo, M.A., González, C.C., Romero, E.J., Cúneo, N.R. & Wilf, P. (2006) . Casuarinaceae from the eocene of Patagonia, Argentina. International Journal of Plant Sciences, 167(6), 1279-1289.
http://dx.doi.org/10.1086/507873
---------- CHICAGO ----------
Zamaloa, M.D.C., Gandolfo, M.A., González, C.C., Romero, E.J., Cúneo, N.R., Wilf, P. "Casuarinaceae from the eocene of Patagonia, Argentina" . International Journal of Plant Sciences 167, no. 6 (2006) : 1279-1289.
http://dx.doi.org/10.1086/507873
---------- MLA ----------
Zamaloa, M.D.C., Gandolfo, M.A., González, C.C., Romero, E.J., Cúneo, N.R., Wilf, P. "Casuarinaceae from the eocene of Patagonia, Argentina" . International Journal of Plant Sciences, vol. 167, no. 6, 2006, pp. 1279-1289.
http://dx.doi.org/10.1086/507873
---------- VANCOUVER ----------
Zamaloa, M.D.C., Gandolfo, M.A., González, C.C., Romero, E.J., Cúneo, N.R., Wilf, P. Casuarinaceae from the eocene of Patagonia, Argentina. Int. J. Plant Sci. 2006;167(6):1279-1289.
http://dx.doi.org/10.1086/507873