the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [adjective] > belonging to order Tetrabranchiata > relating to the nautili > having form of nautilus (2)
Resembling a chambered nautilus in form; (Zoology) of, relating to, or characteristic of the subclass Nautiloidea.
Having the form of a nautilus.