Macrophthalmus is a genus of which are widespread across the Indo-Pacific. It contains the following species (arranged into subgenus): Species in this genus are often referred to as sentinel crabs.
- Subgenus Chaenostoma Stimpson, 1858
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Macrophthalmus boscii Audouin, 1826
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Macrophthalmus dentatus Stimpson, 1858
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Macrophthalmus punctulatus Miers, 1884
- Subgenus Euplax H. Milne-Edwards, 1852
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Macrophthalmus leptophthalmus H. Milne-Edwards, 1852
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Euplax dagohoyi Mendoza & Ng, 2007
- Subgenus Hemiplax Heller, 1865
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Macrophthalmus hirtipes (Jacquinot in Hombron & Jacquinot, 1846)
- Subgenus Macrophthalmus Desmarest, 1823
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Macrophthalmus abbreviatus Manning & Holthuis, 1981
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Macrophthalmus banzai Wada & K. Sakai, 1989
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Macrophthalmus brevis (Herbst, 1804)
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Macrophthalmus ceratophorus Sakai, 1969
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Macrophthalmus consobrinus Nobili, 1906
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Macrophthalmus convexus Stimpson, 1858
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Macrophthalmus crassipes H. Milne-Edwards, 1852
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Macrophthalmus darwinensis Barnes, 1971
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Macrophthalmus gallardoi Serène, 1971
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Macrophthalmus graeffei A. Milne-Edwards, 1873
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Macrophthalmus grandidieri A. Milne-Edwards, 1867
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Macrophthalmus hilgendorfi Tesch, 1915
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Macrophthalmus laevimanus H. Milne-Edwards, 1852
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Macrophthalmus latipes Borradaile, 1902
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Macrophthalmus malaccensis Tweedie, 1937
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Macrophthalmus microfylacas Nagai, Watanabe & Naruse, 2006
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Macrophthalmus milloti Crosnier, 1965
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Macrophthalmus parvimanus Guérin, 1834
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Macrophthalmus philippinensis Serène, 1971
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Macrophthalmus sandakani Rathbun, 1907
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Macrophthalmus serenei Takeda & Komai, 1991
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Macrophthalmus sulcatus H. Milne-Edwards, 1852
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Macrophthalmus telescopicus Owen, 1839
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Macrophthalmus tomentosus Eydoux & Souleyet, 1842
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Macrophthalmus transversus (Latreille, 1817)
- Subgenus Mareotis Barnes, 1967
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Macrophthalmus abercrombiei Barnes, 1966
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Macrophthalmus crinitus Rathbun, 1913
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Macrophthalmus definitus Adams & White, 1849
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Macrophthalmus depressus Rüppell, 1830
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Macrophthalmus frequens Tai & Song, 1984
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Macrophthalmus japonicus (De Haan, 1835)
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? Macrophthalmus laevis A. Milne-Edwards, 1867
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Macrophthalmus pacificus Dana, 1851
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Macrophthalmus teschi Kemp, 1919
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Macrophthalmus tjiljapensis Pretzmann, 1974
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Macrophthalmus tomentosus Eydoux & Souleyet, 1842
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Macrophthalmus setosus H. Milne-Edwards, 1852
- Subgenus Paramareotis Komai, Goshima & Murai, 1995
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Macrophthalmus boteltobagoe Sakai, 1939
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Macrophthalmus erato De Man, 1888
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Macrophthalmus holthuisi Serène, 1973
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Macrophthalmus quadratus A. Milne-Edwards, 1873
- Subgenus Tasmanoplax Barnes, 1967
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Macrophthalmus latifrons Barnes, 1967
- Subgenus Venitus Barnes, 1967
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Macrophthalmus barnesi Serène, 1971
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Macrophthalmus dentipes Lucas in Guérin-Méneville, 1836
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Macrophthalmus gastrodes Kemp, 1915
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Macrophthalmus latreillei (Desmarest, 1822)
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Macrophthalmus leptophthalmus H. Milne-Edwards, 1852
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Macrophthalmus serratus Adams & White, 1849
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Macrophthalmus vietnamensis Serène, 1971