the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [adjective] > belonging to order Tetrabranchiata > relating to the nautili > holochoanitic (2)
Originally, characteristic of the group Holochoanoida (now obsolete) of nautiloid cephalopods; hence, = holochoanitic adj. at holochoanite, n.…
(having septal necks) characteristic of a holochoanite; (by some writers used to include macrochoanitic, adj.).