Nautilus

Palau nautilus Nautilus belauensis, copyright Kai Squires.

Belongs within: Nautilaceae.

Nautilus is a genus of smooth-shelled cephalopods known from the Oligocene to the present day (Kummel 1964).

Characters (from Kummel 1964): Smooth, nautiliconic, involute to occluded; suture consisting of broad rounded ventral saddle, broad lateral lobe, small saddle in vicinity of umbilical shoulder, shallow lobe on umbilical wall, small saddle near umbilical seam, broad shallow dorsal lobe and annular lobe; siphuncle subcentral.

<==Nautilus Linnaeus 1758K64
    |--*N. pompilius Linnaeus 1758K64 [incl. N. ambiguus Sowerby 1849 non Fichtel & Moll 1798S64, N. repertus Iredale 1944BRW98]
    |--N. belauensis Saunders 1981KK02
    |--N. crista Linnaeus 1758L58
    |--N. eccentricus Meek & Hayden 1864P68
    |--N. elegansH84
    |--N. fascia Linnaeus 1758L58
    |--N. forbesiiO75
    |--N. giganteus d’Orbigny 1825TMNZ64
    |--N. globulareP68
    |--N. granum Linnaeus 1758L58
    |--N. labechiiO75
    |--N. laevigatusH84
    |--N. latusW77
    |--N. macromphalus Sowerby 1849S64
    |--N. maximusP68
    |--N. missouriensisP68
    |--N. obliquus Linnaeus 1758L58
    |--N. occidentalisP68
    |--N. orthocera Linnaeus 1758TM64
    |--N. peronatusBRW98
    |--N. raphanistrum Linnaeus 1758L58
    |--N. scrobiculatus Lightfoot 1786K65 [incl. N. umbilicatus Lamarck 1822 non Linnaeus 1758S64]
    |--N. sebedinusG31
    |--N. semilituus Linnaeus 1758L58
    |--N. sipunculus Linnaeus 1758L58
    |--N. stenomphalus Sowerby 1849S64
    `--N. striatusH84
Nomen nudum: Nautilus alumnus Iredale 1944S64

*Type species of generic name indicated

References

[BRW98] Beesley, P. L., G. J. B. Ross & A. Wells (eds) 1998. Fauna of Australia vol. 5. Mollusca: The Southern Synthesis. Part A. Australian Biological Resources Study: Canberra.

[G31] Grabau, A. W. 1931. The Permian of Mongolia: A report on the Permian fauna of the Jisu Honguer limestone of Mongolia and its relations to the Permian of other parts of the world. American Museum of Natural History: New York.

[H84] Hyatt, A. 1883–1884. Genera of fossil cephalopods. Boston Soc. Nat. History, Proc. 22: 253–338.

[K65] Kay, E. A. 1965. The Reverend John Lightfoot, Daniel Solander, and the Portland Catalogue. Nautilus 79 (1): 10–19.

[KK02] Klug, C., & D. Korn. 2002. Occluded umbilicus in the Pinacitinae (Devonian) and its palaeoecological implications. Palaeontology 45 (5): 917–931.

[K64] Kummel, B. 1964. Nautiloidea—Nautilida. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt K. Mollusca 3. Cephalopoda—General Features—Endoceratoidea—Actinoceratoidea—Nautiloidea—Bactritoidea pp. K383–K457. The Geological Society of America and the University of Kansas Press.

[L58] Linnaeus, C. 1758. Systema Naturae per Regna Tria Naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata. Laurentii Salvii: Holmiae.

[O75] Owen, R. 1875. On fossil evidences of a sirenian mammal (Eotherium aegyptiacum, Owen) from the nummulitic Eocene of the Mokattam cliffs, near Cairo. Quarterly Journal of the Geological Society of London 31: 100–105.

[P68] Purnell, L. R. 1968. Catalog of the type specimens of invertebrate fossils. Part I: Paleozoic Cephalopoda. United States National Museum Bulletin 262: 1–198.

[S64] Stenzel, H. B. 1964. Living nautilus. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt K. Mollusca 3. Cephalopoda—General Features—Endoceratoidea—Actinoceratoidea—Nautiloidea—Bactritoidea pp. K59–K93. The Geological Society of America and the University of Kansas Press.

[TM64] Teichert, C., & R. C. Moore. 1964. Classification and stratigraphic distribution. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt K. Mollusca 3. Cephalopoda—General Features—Endoceratoidea—Actinoceratoidea—Nautiloidea—Bactritoidea pp. K94–K106. The Geological Society of America and the University of Kansas Press.

[TMNZ64] Teichert, C., R. C. Moore & D. E. Nodine Zeller. 1964. Rhyncholites. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt K. Mollusca 3. Cephalopoda—General Features—Endoceratoidea—Actinoceratoidea—Nautiloidea—Bactritoidea pp. K467–K484. The Geological Society of America and the University of Kansas Press.

[W77] White, C. A. 1877. Report upon the invertebrate fossils collected in portions of Nevada, Utah, Colorado, New Mexico, and Arizona, by parties of the expeditions of 1871, 1872, 1873, and 1874. U.S. Geographical Surveys West of the One Hundredth Meridian 4 (1): 1–219, pls 1–21.

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