Kingdom Animalia Superfamily Rissooidea Genus Crisilla Rank Species | Phylum Mollusca Family Rissoidae Scientific name Crisilla picta | |
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Class Gastropoda
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha | ||
Alvinia gallinacea is a species of minute sea snail with an operculum; this organism is a marine gastropod mollusk or micromollusk in the family Rissoidae.
Contents
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 (the type description) reads as follows:
The height of the shell is 0.075 inches (1.9 mm). The width of the shell is 0.05 inches (1.3 mm).
References
Crisilla picta Wikipedia(Text) CC BY-SA