Revision of the anchialine varunine crabs of the genus Orcovita Ng & Tomascik, 1994 (Crustacea: Decapoda: Brachyura: Grapsidae), with descriptions of four new species
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Four new species of the varunine crab genus Orcovita Ng & Tomascik, 1994, viz. O. gracilipes, O. mollitia, O. fictilia and O. angulata are described from the Pacific islands of Niue, Guam and the Philippines. The genus was previously considered monotypic, with only the Indonesian type species, O. saltatrix Ng & Tomascik, 1994. A key to the genus is provided. All known Orcovita species are anchialine and/or cavernicolous crabs.