A fourth species of gecarcinucid freshwater crab of the genus Balssiathelphusa Bott, 1969, is described from a cave system in eastern Kalimantan, Indonesia in Borneo. It is closest to B. cursor Ng, 1986, from Kalimantan, but can easily be distinguished from congeners by its relatively wider carapace, elongated ambulatory legs and characteristic male first gonopod structure. Although found only in caves, it is not regarded as a troglobite because its eyes are not reduced and the cornea are fully pigmented.
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1 September 2014
A new cavernicolous species of crab of the genus Balssiathelphusa Bott, 1969 (Crustacea, Brachyura, Gecarcinucidae) from eastern Borneo
Peter K. L. Ng,
Danièle Guinot
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Zoosystema
Vol. 36 • No. 3
September 2014
Vol. 36 • No. 3
September 2014
Balssiathelphusa
Borneo
Bornéo
caves
eastern Kalimantan
espèce nouvelle
grottes