Mitrella tenebrosa is a species of sea snail in the family Columbellidae, the dove snails. Its specific name tenebrosa refers to its dark colour.Rolán E. 2005. Columbellidae (Gastropoda, Neogastropoda) of the gulf of Guinea with the description of eight new species. Iberus 23(2): 119–156
Distribution and habitat The species is endemic São Tomé Island where it may occur at depths greater than 15–20 m.
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