‘Z2 BRITISH FOSSTE VERTEBRATA. 
CHELYOPHORVUS, L. Azassiz, Poiss. Foss. V. G. R. (1844), 
Pp. 135. 
griffithi, [-ii] F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, 
p. 8; J. Morris, Cat. Brit. Foss., 1854, p. 321. Genus non det., 
C. H. Pander, Placoderm. devon. Syst., 1857, p. 87. 
Loc. L. Carb.; Cultra. [Dermal plate ; o//m Rk. Griffith Coll.] 
CHIM A:RA, Linneus, Syst. Nat., ed. 12, vol. i, 1766, p. 401. 
agassizi, Buckland. v. Edaphodon agassizi. 
beaumonti, Agassiz. v. Ischyodus beaumonti. 
brevirostris, Egerton. v. Ischyodus thurmanni. 
bucklandi, Agassiz. v. Ischyodus bucklandi. 
colei, Agassiz. wv. Ischyodus colei. 
curvidens, Egerton. v. Ganodus curvidens. 
egertoni, Buckland. vw. Ischyodus egertoni. 
falcata, Egerton. wv. Ganodus falcatus. 
mantelli, Buckland. v. Edaphodon mantelli. 
neglecta, Egerton. wv. Ganodus neglectus. 
oweni, Agassiz. v. Ganodus oweni. 
psittacina, Egerton. v. Ganodus psittacinus. 
rugulosa, Egerton. wv. Ganodus rugulosus. 
sedgwickii, Agassiz. v. Edaphodon sedgwicki. 
townsendi, Buckland. wv. Ischyodus townsendi. 
CHIRACANTHUS, M‘Coy. = Cheiracanthus. 
CHIRODOPSIS, M‘Coy. = Cheirodopsis. 
CHIRODUS, M‘Coy. = Chceirodus. 
CHOMATODUS, L. Agassiz, Poiss. Foss., vol. iii (1838), p. 107 
(pars). [See also Petalodus.] 
[A term provisionally retained, in a restricted sense, for de- 
tached teeth of undetermined Cochliodont sharks (A. S. 
Woodward, Cat. Foss. Fishes B. M., pt. i, 1889, p. 218).] 
acuminatus, Agassiz. v. Petalodus acuminatus. 
acutus, Davis. v. Petalodus acutus. 
cinctus, L. Agassiz, Poiss.. Foss., vol. iii (1838), p. 107, pl. xv, 
f. 13-21 (pars); J. E. Portlock, Rep. Geol. Londonderry, 
1843, p. 467, pl. xiv a, f. 9; J. Morris, Cat. Brit. Foss., 
1854, p. 321. [See also Helodus crassus.] 
Chomatodus (Helodus) cinctus, ¥. M‘Coy, Brit. Palezoz. Foss. 
(1855), p. 617. 
Psammodus cinctus, L. Agassiz, Poiss. Foss., vol. iii (1838), 
lettering of pl. xv. 
(? = Helodus turgidus, H. crassus, and H. tenuis, pars.] 
Loc. L. Carb. Limest.; Bristol. [Teeth ; Brit. Mus. and Bristol 
Mus. ] T. 
