Caecum multicostatum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.
Distribution Caecum Multicostatum can be found in the Caribbean Sea, Gulf of Mexico, and Venezuela
Description The maximum recorded shell length is 4.2 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
Habitat Minimum recorded depth is 2 m. Maximum recorded depth is 46 m.
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