n = 16
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Nautilus perforatus | Conrad, 1847 | Allonautilus perforatus | Nautilidae | |
| Nautilus scrobiculatus | Lightfoot, 1786 | Allonautilus scrobiculatus | Nautilidae | Crusty nautilus |
| Nautilus crista | Linnaeus, 1758 | Armiger crista | Planorbidae | Star gyro |
| Nautilus repandus | Fichtel & Moll, 1798 | Eponides repandus | Eponididae | |
| Nautilus calcar | Linnaeus, 1767 | Lenticulina calcar | Vaginulinidae | |
| Nautilus belauensis | Saunders, 1981 | Nautilus belauensis | Nautilidae | Palau nautilus |
| Nautilus macromphalus | Sowerby, 1848 | Nautilus macromphalus | Nautilidae | Bellybutton nautilus |
| Nautilus pompilius suluensis | Habe & Okutani, 1988 | Nautilus pompilius | Nautilidae | Emperor nautilus |
| Nautilus pompilius | Linnaeus, 1758 | Nautilus pompilius | Nautilidae | Emperor nautilus |
| Nautilus pompilius pompilius | Linnaeus, 1758 | Nautilus pompilius | Nautilidae | Emperor nautilus |
| Nautilus repertus | Iredale, 1944 | Nautilus repertus | Nautilidae | |
| Nautilus samoaensis | Barord, Combosch, Giribet, Landman, Lemer, Veloso | Nautilus samoaensis | Nautilidae | |
| Nautilus stenomphalus | Sowerby, 1848 | Nautilus stenomphalus | Nautilidae | White-patch nautilus |
| Nautilus vanuatuensis | Barord, Combosch, Giribet, Landman, Lemer, Veloso | Nautilus vanuatuensis | Nautilidae | |
| Nautilus vitiensis | Barord, Combosch, Giribet, Landman, Lemer, Veloso | Nautilus vitiensis | Nautilidae | |
| Nautilus spirula | Linnaeus, 1758 | Spirula spirula | Spirulidae | Ram's horn squid |