A new cavernicolous species of crab of the genus Balssiathelphusa Bott, 1969 (Crustacea, Brachyura, Gecarcinucidae) from eastern Borneo

Peter K. L. Ng; Danièle Guinot

doi:10.5252/z2014n3a4

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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, 36(3):623-629 (2014). https://doi.org/10.5252/z2014n3a4

Abstract

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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Peter K. L. Ng and Danièle Guinot "A new cavernicolous species of crab of the genus Balssiathelphusa Bott, 1969 (Crustacea, Brachyura, Gecarcinucidae) from eastern Borneo," Zoosystema 36(3), 623-629, (1 September 2014). https://doi.org/10.5252/z2014n3a4

Received: 28 January 2014; Accepted: 1 September 2014; Published: 1 September 2014

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