Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Turbonilla anularia -  Turbonilla anularia is a species of sea snail a marine gastropod mollusk in the family Pyramidellidae the pyrams and their allies.
The answer to this question is:
Animal