Lepetodrilidae is a family of small deep-sea sea snails hydrothermal vent limpets marine gastropod mollusks in the clade Vetigastropoda (according taxonomy of the Gastropoda by Bouchet & Rocroi 2005). This family has no subfamilies. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Animal