Taxonomy
The family Nautilidae contains up to six extant species and several extinct species:
- Genus Allonautilus
- A. perforatus
- A. scrobiculatus
- Genus Nautilus
- N. belauensis
- †N. cookanum
- N. macromphalus
- N. pompilius (type)
- N. p. pompilius
- N. p. suluensis
- †N. praepompilius
- N. stenomphalus
Recent genetic data has pointed to there being only three extant species: A. scrobiculatus, N. macromphalus, and N. pompilius, with N. belauensis and N. stenomphalus both subsumed under N. pompilius, possibly as subspecies.
Read more about this topic: Nautilus