CATALOGUE 
OF 
FOSSIL CEPHALOPODA. 
Suborder NAUTILOIDEA (continued). 
Family LITUITIDiE b 
Genus LITUITES, Breyn. 
{Ilortolus, Montfort, 1808 ^ ; SpiruUtes, Parkinson, 1811 Orthocera- 
tites, Schlotheim, 1820 ’; Lithuif.es, Schlotheim, 1820®; Orthocemtites, 
Qiienstedt, 1849".) 
Gen. Char. The shell is at first coiled in one plane, the whorls, 
which are generally four in number, being either contiguous or 
slightly separated ; it is then extended in a long straight piece 
which gradually increases in diameter till the aperture is attained. 
The straight part is always bent inwards a little near its commence- 
ment. The aperture of the body-chamber is contracted^ owing to 
> Written Litiddm by Noetling (Jahrb. der Konigl. Preuss, geol. Landesanst. 
und Bergakad. f. d. Jahr 1883, p. 129). 
^ Dissert. Phys. de Polythalamiis, 1732, pp. 12, 26. 
^ Conchyl. System, tom. i. p. 283. 
* Organic Kemains, vol. iii. p. 110. 
^ Die Petrefactenkunde, p. 55 {Orthocemtites undulatus). 
® Ibid. p. 59. 
’’ Petrefactenkunde Deutschl., Band i. p. 44 {Orthoceratit.es undulatus). 
PAET II. B 
