Cephalopoda - Nautilida - Nautilidae
Alternative spelling: Discites
Parent taxon: Nautilus according to A. H. Worthen 1875
Sister taxa: Nautilus (Discus), Nautilus altifrons, Nautilus alumnus, Nautilus angustatus, Nautilus averilli, Nautilus bajocensis, Nautilus balcombensis, Nautilus bambanagensis, Nautilus butonensis, Nautilus calciferus, Nautilus campbelli, Nautilus cancellatus, Nautilus carolinus, Nautilus cookana, Nautilus decurrens, Nautilus dolerus, Nautilus gabbi, Nautilus geelongensis, Nautilus inequalis, Nautilus izumoensis, Nautilus javanus, Nautilus longobardicus, Nautilus macromphalus, Nautilus modestus, Nautilus occidentalis, Nautilus palladii, Nautilus polyplocus, Nautilus pompilius, Nautilus praepompilius, Nautilus propinquus, Nautilus repertus, Nautilus reticulatus, Nautilus scrobiculatus, Nautilus sphaericus, Nautilus stenomphalus, Nautilus subcarolinus, Nautilus taiwanus, Nautilus texanus, Nautilus tintoretti, Nautilus triangularis, Nautilus tubercularis, Nautilus undulatus, Nautilus wanneri, Nautilus winslowi
Subtaxa: none
Ecology: nektonic carnivore
Distribution: found only at Irwin River, Victoria District (Permian of Australia)