Allodontichthys is a genus of splitfins, endemic to the Tuxpan (Coahuayana), Armería and Ameca river basins in Colima and Jalisco, west–central Mexico.
Species There are currently four recognized species in this genus: Allodontichthys hubbsi R. R. Miller & Uyeno, 1980 (Whitepatched splitfin) Allodontichthys polylepis Rauchengerger, 1988 (Finescale splitfin) Allodontichthys tamazulae C. L. Turner, 1946 (Tuxpan splitfin) Allodontichthys zonistius (C. L. Hubbs, 1932) (Bandfin splitfin)
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