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Redescription of Potamonautes sidneyi (Rathbun, 1904) (Decapoda: Potamonautidae) and description of a new congeneric species from KwaZulu–Natal, South Africa
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Redescription of Potamonautes sidneyi (Rathbun, 1904) (Decapoda: Potamonautidae) and description of a new congeneric species from KwaZulu–Natal, South Africa
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Redescription of Potamonautes sidneyi (Rathbun, 1904) (Decapoda: Potamonautidae) and description of a new congeneric species from KwaZulu–Natal, South Africa
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Journal Article
Redescription of Potamonautes sidneyi (Rathbun, 1904) (Decapoda: Potamonautidae) and description of a new congeneric species from KwaZulu–Natal, South Africa
2017
Overview
A new species of freshwater crab,
, is described from the southern region of the KwaZulu-Natal Province, South Africa.
most closely resembles
which is re-described here, but can be distinguished by a suite of key morphological characters including carapace shape and width, slim pereopods, inflated propodi of the chelipeds, and the shape and terminal segment length:subterminal segment length ratio of the 1
gonopod. In a previous study (Gouws et al. 2015), a 9.2-11.8 % divergence was found in the mitochondrial COI and 16S genes of the
clade, allowing for the delineation of a new species. Despite the clear molecular distinction between the two species, it is difficult to separate them based on individual morphological characters, as there is a great deal of overlap even among key features. The new species is found in slow-moving mountain streams and pools at high altitudes between Umhlanga and Mtamvuna, in KwaZulu-Natal.
Publisher
Pensoft Publishers
Subject
