352 
nautiloidea. 
1852. Mer/asipho7iia Aturi, d’Orbi^y, Prodr. de I*al6ont. Stratigr. 
vol. iii. p. 25. 
1856. Aturia Aturi, Bronn, Lethaea Geognostica, Band iii. p. 505. 
? 1858. Nautilus ziczac, Ooster, Catalogue des C(5phalopodes des Aipes 
Suisse, pt. iii. p. 16, tab. xii. f. 3. 
1861. Aturia Morrisii, !Michelotti, Etudes sur le Miocene Inf^rieur de 
I’ltalie Septentrional e, p. 138. 
1868. Aturia (Nautilus) Aturi, Dewalque, Prodr. d’une Description 
G^ologique de la Belgique, p. 417. 
1872. Aturia Aturi, Bellardi, I Molluschi dei Terreni Terziari del 
Piemonte e della Liguria, pt. i. p. 23. 
1873. Aturia Aturi, Benoist, Cat. Test. Foss. La Brede-Saucats, p. 227, 
no. 800. 
1874. Nautilus ziczac, Cornet and Briant, Aper^u sur la Gt^ologie des 
Environs de Mons, Bull. Soc. G6ol. de France, s^r. iii. vol. ii. 
p. 537. 
1875. Nautilus (Aturia) ui.turi, Iloemes, Die Fauna des Scbliers von 
Ottnang, Jahrbuch d. k. k. geol. Keichsanst. Band xxv. Heft iv. 
pp. 341, 344, Taf. xii. If. 5, 6. 
1876. Nautilus Aturi, Fuchs, Ueber den sogenannten “ Badner Tegel ’’ 
auf ^lalta ; Sitzungsberichte der k. Akad. d. AVissenschaft. nia- 
themat.-naturwiss. Classe, Band Ixxiii. p. 68, Taf. i. tf. 8, 0. 
1879. Nautilus ziczac, Leith Adams, On liemains of Mastodon and 
other Vertebrata of the Miocene Beds of the Maltese Islands, 
Quart. Journ. Geol. Soc. vol. xxxv. p. 510. 
1880. Aturia Aturi, Tiberi, Cefalopodi, Pteropodi, Eteropodi viventi 
nel Mediterraneo e Fossili nel Terreno Terziario Itidiano ; Bull. 
Soc. Malac. Italiana, vol. vi. Fogli 1—1, p. 28. 
1882. Nautilus (Aturia) Aturi, von Koenen, Die Gastropoda holosto- 
mata und tectibranchiata, Cephalopoda und Pteropoda des Xord- 
deutschen Miocan, ii. Theil, von “ Das Xorddeutsche Miocan und 
seine Molluskenfauna Xeues Jahrb. fiir Min. &c. Beilage Band ii. 
p. 353. 
1884. Aturia Atw'i, Zittel, Ilandbuch der Palseontologie, Band i. 
Abth. ii. Lief. iii. p. 384, f. 527. 
1889. Aturia Aturi, Benoist, Coquilles Fossiles des Terrains Tertiaires 
Moyens du Sud-Ouest de la France, Actes de la Soc. Idnn^enne 
de Bordeaux, vol. xlii. s^r. v. Hvr. i. (Feb. 1889) p. 20, pi. ii. ff. 1 a, 
16b (The plates are in livr. ii., June 1889.) 
[See supra, p. 336, figs. 71 a, 72, and p. 338, fig. 73.] 
Sp. Char. Shell discoid, flattened ; aperture subtriangular, higher 
than wide ; strongly arched forwards at the sides and deeply emar- 
ginate on the periphery, the latter very narrowly rounded ; greatest 
width of the whorls in the umbilical region. Umbilicus closed. 
Septa approximate, much curved, about thirteen in the last whorl ; 
^ Erroneously printed on p. 20 “ figs. 3 a, 36.” 
