The Vascocertidae named by Spath (1925) is family of Upper Cretaceous ammonites in the Superfamily Acanthocerataceae characterized by shells that are either smooth or bluntly tuberculate or have sparse coarse ribs. Sutural elements are shallow irregular and slightly indented or deep and very indented. Whorl section and degree of involution vary even within species. The Vascoceratidae is a short lived family restricted to the early and middle Turonian stage. 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