Question: Cardita aoteana or the dog's foot cockle is a bivalve mollusc of the family Carditidae endemic to New Zealand including the Chatham Islands and southern offshore islands. It is found from low tide to depths of approximately 185 m. 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?
Answer:
Animal