Niphargus sarii sp. n., a new subterranean niphargid (Crustacea: Amphipoda) from Iran based on molecular and morphological characters
Niphargus sarii sp. n. was collected from Jo-Khanem Spring in Ilam Province. This species hypothesis is based on the analysis of morphological characters and 28S ribosomal DNA sequences. In this paper, we describe the morphological traits of this new species. Then, its taxonomic status within the genus is discussed in comparison to the 15 known Iranian species. Results revealed that N. sarii sp. n. is phylogenetically close to N. sohrevardensis. This species is easily distinguished from other Iranian species by some characters, in particular the equal length of rami in uropod I, lack of lateral robust setae on telson and the situation of dactylus to posterior margin of propodus in gnathopod II.
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