Given the question: Metacrinus rotundus - Metacrinus rotundus the Japanese sea lily is a marine invertebrate a species of stalked crinoid in the family Isselicrinidae. It is a deep water species and is found off the west coast of Japan. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
The answer is:
Animal