118 
CATALOGUE OF CEPHALOPODA. 
b. Broken, or young ? Wings very slightly expanded, very 
thin, and cavity very small, shallow. Paris. Presented 
by J. E. Gray, Esq. 
** Lateral Expansion none . 
2. Beloftera Levesquei. 
Shell oblong, elongate, arched, narrow, cylindrical ; three-keeled 
in front ; beaked, blunt, and striated behind. 
Beloptera Levesquei H Orb. et Feruss. Ceph . Acet. t. 20. f. 10. 12.; 
H Orb. Moll. Viv . et Fos . i. 307. t. 11. f. 5. 7, 
Fos. Paris Basin. 
3. Beloptera anomala. 
Shell oblong, elongate, depressed, arched, concave, with two di- 
verged ridges above, behind blunt. 
Beloptera anomala Sow. Min. Conch, vi. 184. t. 591. f. 2. 1828 ; 
E Orb. Moll. Viv. et Fos. i. 309. t. 14. f. 8. 10. 
Fos , London Clay. 
Fam. yiil belemnitidje. 
Animal elongated — - — — ? only known fossil. 
Shell internal, (horny or) calcareous ; the apex conical, chambered. 
Chambers concave, simple, pierced with a marginal siphon on 
the ventral side ; sometimes covered externally with concentric 
layers, forming a more or less elongate, subcylindrical, conical 
style. 
Belemnitidm Owen , Trans. Zool. Soc. ii. 1836 ; H Orb. Moll . Viv. 
et Fos. i. 443. 1845. 
Onychoteuthidse (pars) Gray , P. Z. Soc. 1847, 206. 
Cephalopodes polythalmes (pars) Lamck. Hist. ed. 2. xi. 268. 
Belemnomorpha Bronn , Gesch. der Nat. iii. 536. 
Synopsis of the Genera. 
A. Shell conical , naked , not covered with any externally deposited 
Coat. 
1. Conoteuthis. Shell with strong longitudinal keel on the 
middle of the back. 
