A Multilocus Molecular Phylogeny forChaetostomaClade Genera and Species with a Review ofChaetostoma(Siluriformes: Loricariidae) from the Central Andes

Autor:	Vanessa Meza-Vargas, Ramiro Barriga-Salazar, Viviana Astudillo-Clavijo, Hernán López-Fernández, Nathan K. Lujan
Rok vydání:	2015
Předmět:	biology Amazon rainforest Ecology Loricariidae Aquatic Science biology.organism_classification Monophyly Genus Molecular phylogenetics Chaetostoma Cordylancistrus Animal Science and Zoology Clade Ecology Evolution Behavior and Systematics
Zdroj:	Copeia. 103:664-701
ISSN:	1938-5110 0045-8511
DOI:	10.1643/ci-14-194
Popis:	The rubbernose-pleco genus Chaetostoma comprises 47 currently valid and many undescribed species distributed along Atlantic and Pacific slopes of the Andes Mountains from Panama to southern Peru, the Coastal Mountains of Venezuela, and drainages of the Guiana and Brazilian shields. We present a five-locus molecular phylogeny for 21 described and six undescribed species of Chaetostoma spanning the geographic range of the genus. Bayesian and maximum likelihood analyses found Chaetostoma to be well supported as monophyletic and sister to a clade of central and northern Andean genera that have also been hypothesized to be closely related based on morphology (i.e., Andeancistrus, Cordylancistrus, Dolichancistrus, Leptoancistrus, and Transancistrus). Species of Chaetostoma were divided into a trichotomy consisting of: a Pacific Coast, Central American, Magdalena Basin, Lake Valencia, and Guiana Shield clade; a western Orinoco, Lake Maracaibo, and Lake Valencia clade; and a widespread upper Amazon/Orinoco clade ...
Databáze:	OpenAIRE
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