Nautilus acutauricularis Fichtel & Moll, 1798 accepted as Lenticulina acutauricularis (Fichtel & Moll, 1798) (original description)
Nautilus aduncus Fichtel & Moll, 1798 accepted as Orbiculina adunca (Fichtel & Moll, 1798) accepted as Archaias angulatus (Fichtel & Moll, 1798) (original description)
Nautilus ambiguus Fichtel & Moll, 1798 accepted as Dendritina ambigua (Fichtel & Moll, 1798) (original description)
Nautilus angulatus Fichtel & Moll, 1798 accepted as Archaias angulatus (Fichtel & Moll, 1798) (original description)
Nautilus asterizans Fichtel & Moll, 1798 accepted as Hanzawaia asterizans (Fichtel & Moll, 1798) accepted as Riminopsis asterizans (Fichtel & Moll, 1798) (original description)
Nautilus auricula Fichtel & Moll, 1798 accepted as Cancris auricula (Fichtel & Moll, 1798) (original description)
Nautilus auricula var. alpha Fichtel & Moll, 1798 accepted as Cancris auricula (Fichtel & Moll, 1798) (original description)
Nautilus auricula var. beta Fichtel & Moll, 1798 accepted as Cancris auricula (Fichtel & Moll, 1798) (original description)
Nautilus calcar var. rostrata Fichtel & Moll, 1798 (original description)
Nautilus cassis Fichtel & Moll, 1798 accepted as Lenticulina cassis (Fichtel & Moll, 1798) accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus cassis var. alpha Fichtel & Moll, 1798 accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus cassis var. beta Fichtel & Moll, 1798 accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus cassis var. delta Fichtel & Moll, 1798 accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus cassis var. epsilon Fichtel & Moll, 1798 accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus cassis var. gamma Fichtel & Moll, 1798 accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus costatus Fichtel & Moll, 1798 accepted as Lenticulina costata (Fichtel & Moll, 1798) accepted as Spincterules costatus (Fichtel & Moll, 1798) accepted as Spincterules anaglyptus Loeblich & Tappan, 1987 (original description)
Nautilus crassulus Fichtel & Moll, 1798 accepted as Nonion crassulum (Walker & Jacob, 1798) (original description)
Nautilus craticulatus Fichtel & Moll, 1798 accepted as Elphidium craticulatum (Fichtel & Moll, 1798) (original description)
Nautilus crepidula Fichtel & Moll, 1798 accepted as Astacolus crepidulus (Fichtel & Moll, 1798) accepted as Astacolus crepidula (Fichtel & Moll, 1798) (original description)
Nautilus faba Fichtel & Moll, 1798 accepted as Nonion fabum (Fichtel & Moll, 1798) accepted as Nonion faba (Fichtel & Moll, 1798) (original description)
Nautilus farctus Fichtel & Moll, 1798 accepted as Cibicides farctus (Fichtel & Moll, 1798) (original description)
Nautilus galea Fichtel & Moll, 1798 accepted as Planularia cassis (Fichtel & Moll, 1798) (original description)
Nautilus incrassatus Fichtel & Moll, 1798 accepted as Anomalinoides incrassatus (Fichtel & Moll, 1798) (original description)
Nautilus lenticularis Fichtel & Moll, 1798 † accepted as Nummulites lenticularis (Fichtel & Moll, 1798) † (original description)
Nautilus macellus Fichtel & Moll, 1798 accepted as Elphidium macellum (Fichtel & Moll, 1798) (original description)
Nautilus macellus var. beta Fichtel & Moll, 1798 accepted as Elphidium macellum (Fichtel & Moll, 1798) (original description)
Nautilus mammilla Fichtel & Moll, 1798 accepted as Amphistegina mammilla (Fichtel & Moll, 1798) † (original description)
Nautilus melo Fichtel & Moll, 1798 accepted as Borelis melo (Fichtel & Moll, 1798) † (original description)
Nautilus melo var. alpha Fichtel & Moll, 1798 accepted as Borelis melo (Fichtel & Moll, 1798) † (original description)
Nautilus melo var. beta Fichtel & Moll, 1798 accepted as Borelis melo (Fichtel & Moll, 1798) † (original description)
Nautilus orbiculus Fichtel & Moll, 1798 † accepted as Orbiculina nummismalis Lamarck, 1822 accepted as Archaias angulatus (Fichtel & Moll, 1798) (original description)
Nautilus papillosus Fichtel & Moll, 1798 accepted as Lenticulina papillosa (Fichtel & Moll, 1798) (original description)
Nautilus planatus Fichtel & Moll, 1798 accepted as Peneroplis planatus (Fichtel & Moll, 1798) (original description)
Nautilus planatus var. alpha Fichtel & Moll, 1798 accepted as Peneroplis planatus (Fichtel & Moll, 1798) (original description)
Nautilus planatus var. beta Fichtel & Moll, 1798 accepted as Peneroplis planatus (Fichtel & Moll, 1798) (original description)
Nautilus planatus var. gamma Fichtel & Moll, 1798 accepted as Peneroplis planatus (Fichtel & Moll, 1798) (original description)
Nautilus pompilioides Fichtel & Moll, 1798 accepted as Nonion pompilioides (Fichtel & Moll, 1798) accepted as Melonis pompilioides (Fichtel & Moll, 1798) (original description)
Nautilus radiatus Fichtel & Moll, 1798 accepted as Amphistegina radiata (Fichtel & Moll, 1798) (original description)
Nautilus repandus Fichtel & Moll, 1798 accepted as Eponides repandus (Fichtel & Moll, 1798) (original description)
Nautilus scapha Fichtel & Moll, 1798 accepted as Nonion commune (d'Orbigny, 1846) (original description)
Nautilus sinuatus Fichtel & Moll, 1798 accepted as Anomalinoides sinuatus (Fichtel & Moll, 1798) (original description)
Nautilus striatopunctatus Fichtel & Moll, 1798 accepted as Elphidium striatopunctatum (Fichtel & Moll, 1798) (original description)
Nautilus strigilatus Fichtel & Moll, 1798 accepted as Elphidium strigilatum (Fichtel & Moll, 1798) (original description)
Nautilus tuberosus Fichtel & Moll, 1798 accepted as Lobatula lobatula (Walker & Jacob, 1798) (original description)
Nautilus venosus Fichtel & Moll, 1798 accepted as Operculinella venosa (Fichtel & Moll, 1798) accepted as Nummulites venosus (Fichtel & Moll, 1798) (original description)
Nautilus vortex Fichtel & Moll, 1798 accepted as Lenticulina vortex (Fichtel & Moll, 1798) (original description)