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by Peter K. L. Ng and Jose Christopher E. Mendoza

Philippine Journal of Systematic Biology, Volume 14, Issue 2, 2020, DOI: 10.26757/pjsb2020b14001

Abstract (Primary Research Paper)

Date Posted (Final Published Version) :August 3, 2020

Abstract

The poorly known Philippine freshwater crab, Sundathelphusa picta (von Martens, 1868) from Luzon Island is re-described and re-illustrated, using type material as well as other specimens sampled from near its type locality. Two similar congeners from Luzon, S. uva sp. nov. and S. angelito sp. nov., from the provinces of Bataan and Rizal, respectively, are described as new. These three species are united by their relatively small size, rounded and dome-shaped carapaces, proportionately short ambulatory legs, and stout male first gonopods. They are distinguished from each other by a suite of morphological characters, particularly of the carapace, male pleon and gonopods.

KEYWORDS: Decapoda, Sundathelphusa uva, Sundathelphusa angelito, taxonomy, Bataan, Bicol, Rizal

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