A new species of Allobathynella (Crustacea, Bathynellacea, Parabathynellidae) from the hyporheic zone of the Hangang River, South Korea

Bathynellacea including the parabathynellid genus Allobathynella Morimoto & Miura, 1957 is commonly found across subterranean environment. The most species-rich known in Korea, and it now contains 23 species one subspecies from South Korea Japan. In this paper, we described a new of Danyang, Korea. danyangensis sp. nov. can be distinguished its congeners by presence five simple setae on antennule, seven spines maxillule 3-5-10-6 setal formula maxilla. We describe with molecular diagnosis based mitochondrial c oxidase subunit 1, 16S rDNA, nuclear 18S rDNA gene sequences morphological study.