TL;DR: Three xanthid crabs from Chejudo island, viz., Forestia depressa, Pilodius nigrocrinitus Stimpson, and Palapedia integra are recorded as new to the Korean fauna.
Abstract: Three xanthid crabs from Chejudo island, viz., Forestia depressa (White, 1847), Pilodius nigrocrinitus Stimpson, 1858, and Palapedia integra (De Haan, 1835) are recorded as new to the Korean fauna. Up to data the Korean crabs of the family Xanthidae s. restr, consist of 15 species of 8 subfamilies.
TL;DR: The taxonomy of 20 species of brachyuran crabs representing 8 families from Taiwan and the Tungsha Islands and one new genus and 1 new species of Xanthidae are also described.
Abstract: The taxonomy of 20 species of brachyuran crabs representing 8 families from Taiwan and the Tungsha Islands (Pratta s Islands) are reported. Of these, 16 are new records for this area: Paromola japonica Parisi, 1915, P. macrochira Sakai, 1961, Latreillopsis bispinosa Henderson, 1888 (Homolidae); Arcania elongata (Yokoya, 1933), Heteronucia laminata (Doflein, 1904) (Leucosiidae); Izanami curtispina (Sakai, 1961) (Calappidae); Heikea arachnoides (Manning and Holthu is, 1986), Ethusa sexdentata (Stimpson, 1858) (Dorippidae); Platyma ia bartschi Rathbun, 1916, Cyrtomaia curviceros Bouvier, 1915, C. murrayi Miers, 1886 (Majidae); Cancer nadaensis Sakai, 1969 (Cancridae); Zalasius sakaii Balss, 1938, Forestia scabra (Odhner, 1925) , Etisus splendidus Rathbun, 1906 (Xanthidae); and Ommatocarcinus pulcher (Barnard, 1950) (Goneplacidae). The taxonomy of 3 other species: Matuta victor (Fabricius, 1781), Ashtoret maculata (Miers, 1877) (Calappidae), and Platymaia remifera Rathbun, 1916 (Majidae) is clarified. One new genus and 1 new species (Pulchratis reticulatus) of Xanthidae are also described.