Colus barbarinus is a species of sea snail, a marine gastropod mollusk in the family Colidae, the true whelks and the like. (Description as Colus (Aulacofusus) bristolensis) The small shell measures 23.5 mm. It is white under an olivaceous periostracum. The shell contains six rounded whorls and a very … ਹੋਰ ਦੇਖੋ