2008
DOI: 10.1016/j.ode.2008.10.001
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Molecular phylogeny and divergence times of ancient South American and Malagasy river turtles (Testudines: Pleurodira: Podocnemididae)

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Cited by 54 publications
(46 citation statements)
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“…Our resolution of these species is: (P. vogli (P. lewyana (P. unifilis (P. erythrocephala (P. sextuberculata, P. expansa))))). There is virtually nothing in common with this resolution and the molecular study of Vargas- Ramírez et al (2008). Most of the characters we have used that actually resolve these species are frequently subject to homoplasy in other turtle taxa, and are reversed within our own study, so we do not consider this part of the analysis to be strongly supported as the resolution collapses into a multichotomy at one step more than the shortest resolution ( fig.…”
Section: Peiropemys New Genusmentioning
confidence: 99%
“…Our resolution of these species is: (P. vogli (P. lewyana (P. unifilis (P. erythrocephala (P. sextuberculata, P. expansa))))). There is virtually nothing in common with this resolution and the molecular study of Vargas- Ramírez et al (2008). Most of the characters we have used that actually resolve these species are frequently subject to homoplasy in other turtle taxa, and are reversed within our own study, so we do not consider this part of the analysis to be strongly supported as the resolution collapses into a multichotomy at one step more than the shortest resolution ( fig.…”
Section: Peiropemys New Genusmentioning
confidence: 99%
“…P. expansa is listed in the threat category ''Lower Risk/Conservation Dependent'' by the IUCN Red List of Threatened Species (IUCN 2010); P. erythrocephala, P. sextuberculata and P. unifilis are treated as ''Vulnerable'', and P. lewyana is classified as ''Endangered''. Among the many chelonians under extreme pressure from human exploitation (Klemens 2000), Podocnemis species deserve particular attention as conservation targets because they represent ancient lineages (Vargas-Ramírez et al 2008;Gaffney et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…As one of the three chelonian species endemic to Colombia (besides P. lewyana: Kinosternon dunni, Mesoclemmys dahli; Fritz and Havaš 2007), the country has a special responsibility to conserve P. lewyana. Phylogenetically, P. lewyana is sister to the Amazonian blackwater species P. erythrocephala (Vargas-Ramírez et al 2008).…”
Section: Introductionmentioning
confidence: 99%
“…En particular, la presencia de P. lewyana en el norte de Colombia, a diferencia de los demás representantes de la familia Podocnemididae, que se encuentran en las cuencas del Amazonas y Orinoco, estuvo determinada por el surgimiento de la Cordillera Oriental (Vargas-Ramírez et al, 2008). El levantamiento del Istmo de Panamá, que facilitó el arribo de tortugas Cryptodiras de Norte y Centroamérica, las cuales se adaptaron muy bien a las condiciones tropicales, jugó igualmente un importante papel en la restricción y distribución actual de los podocnemídidos (Cadena, 2012).…”
Section: Discussionunclassified