[te-truh-brang-kee-it, -eyt] 
| belonging or pertaining to the Nautiloidea (Tetrabranchiata), a subclass or order of cephalopods with four gills, including the pearly nautilus and numerous fossil forms. |
| tet·ra·bran·chi·ate (tět'rə-brāng'kē-ĭt, -āt') adj. Of, relating to, or being a cephalopod of the order Tetrabranchiata, characterized by two pairs of gills and including the chambered nautilus and many fossil species. n. A tetrabranchiate cephalopod. [From New Latin Tetrabranchiāta, order name : tetra- + Greek brankhia, gills.] |
trəˈbræŋ