Zusammenfassung
Many species and subspecies of Potamon have been described from the easternmost distribution of the genus in the western tributaries of the Indus River. Most of them were synonymised subsequently under the two names of currently valid species known from the region: Potamon gedrosianum Alcock, 1909 and Potamon ruttneri Pretzmann, 1962. Genetic and morphological information, based on mitochondrial ...
Zusammenfassung
Many species and subspecies of Potamon have been described from the easternmost distribution of the genus in the western tributaries of the Indus River. Most of them were synonymised subsequently under the two names of currently valid species known from the region: Potamon gedrosianum Alcock, 1909 and Potamon ruttneri Pretzmann, 1962. Genetic and morphological information, based on mitochondrial 16S rDNA and the first male gonopod (G1), were gathered in the course of the present study. The corresponding results suggest the occurrence of four groups and question the taxonomic status of both species. We also revise the distribution range of both species, in particular that of P. gedrosianum, with a new record from Iran. Overall, the study reveals the need for a major revision using further morphological and molecular data. Because of the complexity of this necessary revision and the incomplete sampling, we here refrain from proposing any taxonomic conclusions.
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