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Published Paper: Description of Priapella chamulae sp. n. – a new poeciliid, SCHARTL, M 2006 |
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 Description of Priapella chamulae sp. n. – a new poeciliidfish from the upper río Grijalva system, Tabasco, Mexico (Teleostei: Cyprinodontiformes: Poeciliidae)
MANFRED SCHARTL, MANFRED K. MEYER & BRIGITTA WILDE
2006
 Abstract. Priapella chamulae, new species, is described from the tributaries of río Tacotalpa and río Pichucalco, río Grijalva system, Tabasco, Mexico. It is clearly distinguished by metrics, gonopodial and other morphological characteristics from all other species of the genus. A mitochondrial DNA sequence based molecular phylogenetic analysis revealed similar results on the status of the new species as a separate taxon and its relation to the other closest related species.
ROSEN & BAILEY (1963) combined the genus Priapella together with the genera Alfaro, Xiphophorus and Poecilia to constitute the tribus Peociliinae. At that time the genus Poecilia included the genera Lebistes, Limia, Micropoecilia, Mollienesia and Pamphorichthys. According to ROSEN (1979) Xiphophorus is the most closely related genus to Priapella.
Later, PARENTI (1981), PARENTI & RAUCHENBERGER (1989) established the supertribus Poeciliinae and included all remaining genera of Poeciliinae except Tomeurus. The tribe Poeciliinae sensu ROSEN & BAILEY (1963) was adopted by the authors. MEYER et al. (1994) generally confi rmed by DNA-sequence based phylogenetic methods earlier studies that used morphological and metric analyses. On the contrary, RODRIGUEZ (1997) strongly advocates for an exclusion of Priapella from Poeciliinae. GHEODOTTI (2000) fi nally establishes for the genus Priapella an own tribe, Priapellini, and points out the close relationship to Alfarini and Gambusiini.
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(Submitted by grigri 7-19-06)
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Posted on Wednesday, July 19 @ 12:09:59 CDT by Goodeids |
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