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Artículo

Historical biogeography of the genus Cyriocosmus (Araneae: Theraphosidae) in the Neotropics According to an Event-Based Method and Spatial Analysis of Vicariance

Ferretti, Nelson EdgardoIcon ; Gonzalez, AldaIcon ; Pérez Miles, Fernando
Fecha de publicación: 05/2012
Editorial: Academia Sinica
Revista: Zoological Studies
ISSN: 1021-5506
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

The distributional history of the South American endemic genus Cyriocosmus (Araneae, Theraphosidae) was reconstructed, and a spatial analysis of vicariance was conducted. Results obtained with the software RASP (Reconstruct Ancestral State in Phylogenies), suggest that Cyriocosmus originated within an area currently represented by the biogeographical subregions of the Amazonian and Paramo Punan. We found 3 vicariant nodes: the 1st into the Amazonian-Caribbean, the 2nd into the Caribbean, and the 3rd into the Amazonian-Parana, Amazonian-Chacoan, and Amazonian-Parana and Chacoan. Using the Vicariance Inference Program we found that 1 vicariant node different from that obtained with RASP, and the hypothetical barriers for the clade were represented by the Voronoi lines in South America. In order to interpret biogeographical events that affected the genus Cyriocosmus, these results are contrasted with major geological events that occurred in South America, and also with previous biogeographical hypotheses.
Palabras clave: Neotropical , Mygalomorphae , Theraphosid , Ancestral Area
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/78753
URL: http://zoolstud.sinica.edu.tw/Journals/51.4/526.html
Colecciones
Articulos(CEPAVE)
Articulos de CENTRO DE EST.PARASITOL.Y DE VECTORES (I)
Citación
Ferretti, Nelson Edgardo; Gonzalez, Alda; Pérez Miles, Fernando; Historical biogeography of the genus Cyriocosmus (Araneae: Theraphosidae) in the Neotropics According to an Event-Based Method and Spatial Analysis of Vicariance; Academia Sinica; Zoological Studies; 51; 4; 5-2012; 526-535
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