Found 1 items, similar to Anaptichi.
English → English (gcide) Definition: Anaptichi Anaptychus \An*ap"ty*chus\, n.; pl. Anaptichi. [NL., fr. Gr. ? unfolding; ? back + ? to fold.] (Paleon.) One of a pair of shelly plates found in some cephalopods, as the ammonites. [1913 Webster]