Crisilla picta is a species of minute sea snail with an operculum; this organism is a marine gastropod mollusk or micromollusk in the family Rissoidae.
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 (the type description) reads as follows:
The height of the shell is . The width of the shell is .
This article incorporates public domain text from reference [1]