52 CATALOGUE OF CEPHALOPODA. 



Kalaeno Minister, 1836, not Monster, 1842; UOrb. Paleon. Franc r 



1842, Moll. Viv. etFos. i. 162. 

 Acanthoteuthis Wagner, 1839; U Orb. Moll. Viv. et Fos. i. 407, 



1847, Desk, in Lamek. Hist. xi. 238. 

 Onychoteuthis sp. Minister, 1837. 

 Loligo sp. Riippell, 1829. 



1. Acanthoteuthis prisca. 



Body elongate, subcylindrical. Fins terminal, angled. Shell de- 

 pressed, three-keeled, conical. 



Loligo priscus Riippell, Abbild. und Besch. 8. t. 3. f. 1. 1829. 

 Onychoteuthis angusta Minister, Lehrb. 404. 458. 1830, 250 — 



630. 1836, 252. 1837. 

 Kelamo spinosa Minister, MS. 1836. 

 Kelamo Ferussacii Minister, MS. 1836. 

 Kelaeno sagittata Minister, MS. 1836. 

 Onychoteuthis spinosa Minister, Lehrb. 252. 1837. 

 Onychoteuthis Ferussaci Minister, Lehrb. 252. 1837. 

 Onychoteuthis sagittata Minister, Lehrb. 252. 1837. 

 Onychoteuthis subovata Minister, Lehrb. 252. 1837. 

 Onychoteuthis tricarinata Minister, Lehrb. 252. 1837. 

 Onychoteuthis lata Minister, MS. 

 Keiano speciosa If Orb. Paleont. Franq. i. 140. n. 35. t. 23. f. 1—4. 



1842. 

 Acanthoteuthis Ferussacii Minister, Beitrag. i. 104. t. 10. f. 1. 



1839 ; Chenu. Lecon. elem. H.N. 238. f. 761. 

 Acanthoteuthis Lichtensteinii Minister, i. 105. t. 10. f. 2. 1839. 

 Acanthoteuthis speciosa Minister, Beitr. i. 105. t. 9. 1839. 

 Acanthoteuthis brevis Minister, Beitr. v. t. 1. f. 3. 1842. 

 Acanthoteuthis prisca UOrb. Paleont. univ. t. 19, 20, 21. 1845, 



Paleont. Strang, t. 16, 17, 18., Moll. Viv. et Foss. i. 409. t, 28. 



Fos. Upper Oxford Clay, Lithographic stone. 



B. Cup of tentacular Arms with claw-like Hooks ; of sessile Arms 



with Rings. 



6. ONYCHOTEUTHIS. 



Body elongate, subcylindrical, smooth, acuminated behind. Mantle 

 with an elongated, narrow, prominent, longitudinal ridge, fitting 

 into a similar groove on the base of the siphuncle. Fins ter- 

 minal, very broad, together rhomboidal. — Head large, rather 

 depressed, with three or eleven longitudinal ridges, and edged 

 behind by a transverse ridge. Eyes large, lateral. Buccal mem- 

 brane extensile, seven-lobed, without cups. A brachial aquife- 



