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Phylogenetic Relationships of the Suckermouth Armored Catfishes of the Rhinelepis Group (Loricariidae: Hypostominae)

Jonathan W. Armbruster
Copeia
Vol. 1998, No. 3 (Aug. 3, 1998), pp. 620-636
DOI: 10.2307/1447792
Stable URL: http://www.jstor.org/stable/1447792
Page Count: 17
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Phylogenetic Relationships of the Suckermouth Armored Catfishes of the Rhinelepis Group (Loricariidae: Hypostominae)
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Abstract

The loricariid catfish genera Pogonopoma, Pogonopomoides, Pseudorinelepis, and Rhinelepis form a monophyletic clade within the subfamily Hypostominae. Phylogenetic analysis of morphological characters reveals the following relationships: (Pseudorinelepis + (Rhinelepis + (Pogonopoma + Pogonopomoides))). These nodes are strongly supported with several synapomorphies, and each genus is redescribed and diagnosed. Phylogenetic analysis revealed a split between the Amazonian genus (Pseudorinelepis) and the remainder of the genera which occur in southeastern Brazil. /// Los géneros de bagres loricariid Pogonopoma, Pogonopomoides, Pseudorinelepis, y Rhinelepis constituyen un grupo monofilético dentro de la subfamilia Hypostominae. Un análisis filogenético de características morfológicas reveló las siguientes relaciones: (Pseudorinelepis + (Rhinelepis + (Pogonopoma + Pogonopomoides))). Estos nodos son apoyados por varias sinapomórfias y cada género is redescribido y diagnosticado. Una división entre el género de Amazonia (Pseudorinelepis) y el resto de los géneros que ocurren en el sudeste de Brasil fue revelada por un análisis filogenético.

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