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Abstract
Three species of Characodoma Maplestone, 1990 from the Mediterranean are discussed here. Two, C. rostratum and C. reclinatum are described as new from Pleistocene bathyal sediments of Southern Italy. The third, C. mamillatum (Seguenza, 1880) was already known from Tertiary-to-Quaternary sediments of Southern Italy. It has been recognized as the senior synonym of C. bifurcatum (Waters, 1918). Stratigraphical, geographical and ecological distributions of all the species are discussed. Morphological studies, principally of C. mamillatum, provide useful information about the life habit of these species.