Leucosia (crab)
{{Short description|Genus of crabs}}
{{Automatic taxobox
| image = ツノナガコブシLeucosia anatum(Herbst,1783)aP7074764.jpg
| image_caption = Leucosia anatum
| taxon = Leucosia
| authority = Weber, 1795
| type_species = Cancer craniolaris
| type_species_authority = Linnaeus, 1758
}}
Leucosia is a genus of crabs in the family Leucosiidae, containing the following extant species:{{cite WoRMS |author=Peter Davie & Michael Türkay |year=2012 |title=Leucosia Weber, 1795 |id=106892 |accessdate=May 27, 2012}}
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- Leucosia affinis Bell, 1855
- Leucosia anatum (Herbst, 1783)
- Leucosia brevimana Bell, 1855
- Leucosia brevior Ortmann, 1892
- Leucosia compressa Shen & Chen, 1978
- Leucosia corallicola Alcock, 1896
- Leucosia craniolaris (Linnaeus, 1758)
- Leucosia formosensis Sakai, 1937
- Leucosia haswelli Miers, 1886
- Leucosia jecusculum (Rathbun, 1911)
- Leucosia laevimana Miers, 1884
- Leucosia leslii Haswell, 1879
- Leucosia longibrachia Shen & Chen, 1978
- Leucosia longimaculata Chen & Fang, 1991
- Leucosia margaritacea Bell, 1855
- Leucosia moresbiensis Haswell, 1880
- Leucosia ocellata Bell, 1855
- Leucosia pacifica Poeppig, 1836
- Leucosia phyllocheira White, 1847
- Leucosia pulcherrima Miers, 1877
- Leucosia punctata Bell, 1855
- Leucosia reticulata Miers, 1877
- Leucosia rubripalma Galil, 2003
- Leucosia sima Alcock, 1896
- Leucosia tetraodon Bouvier, 1914
- Leucosia whitmeei Miers, 1875
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