Caecum brasilicum is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.
Distribution Caecum brasilicum has been found to live in the Exclusive economic zone of Brazil or Blue Amazon.
Description The maximum recorded shell length is 4 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 24 m.
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