Crisilla picta
Crisilla picta is a species of small sea snail with an operculum; this organism is a marine gastropod mollusk or micromollusk in the family Rissoidae.
Distribution
Original description
Crisilla picta was originally collected by Reverend Robert Boog Watson in Madeira and it was sent to British malacologist John Gwyn Jeffreys, who described it as a new species under name Rissoa picta in 1867. Jeffreys's original text reads as follows:The height of the shell is. The width of the shell is.