Cerithiopsis althea is a species of very small sea snail, a marine gastropod mollusk in the family Cerithiopsidae. This species was described by William Healey Dall in 1927.Cerithiopsis althea at World Register of Marine Species.
Description The maximum recorded shell length is .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 . Maximum recorded depth is .
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