1 44 BRITISH FOSSIL VER TEBRA TA. 



PETALODUS (continued)— 



nasting-siae, L. Agassiz, Poiss. Foss., vol. iii (1843), pp. 174, 384 



(name only); [-iiJF. M'Coy, Brit. Palseoz. Foss. (1855), p. 635 ; 



W. H. Baily, Figs. Char. Brit. Foss. (1875), p. 120, pi. xli, 



f. 13 ; J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), 



p. 493, pi. lix, f. 16, 17, 19 (non f. 18, 20, 21), and Geol. Mag. 



[3] vol. iii, 1886, p. 149; A. S. Woodward, Cat. Foss. 



Fishes B. M., pt. i, 1889, p. 44. [Non P. hastingsii, Owen ; 



see Petalodus acuminatus and Petalorhynchus psittacinus P[ 

 Petalodus Itzvissimus, L. Agassiz, Poiss. Foss., vol. iii (1843), 



pp. 174, 384 (name only). 

 LOC. L. Carb. Limest. ; Armagh and Tyrone. ? U. Carb. 



Limest. ; Derbyshire, Yorkshire, and Northumberland. 



[Teeth.] 



inequilateral is, Davis, v. Petalodus acuminatus. 

 laivissimus, Agassiz. 7'. Petalodus hastingsiaa. 



? lamelliformis : Chomatodus latnelliformis, J. W. Davis, Quart. 

 Journ. Geol. Soc, vol. xl, 1884, p. 625, pi. xxvii, f. 23. 

 LOC. Yoredale Rocks ; Wensleydale, Yorkshire. [Tooth ; 

 York Mus.] 



linearis Agassiz), A. S. Woodward, Cat. Foss. Fishes B. M., 

 pt. i, 18S9, p. 45. 

 Chomatodus linearis, L. Agassiz, Poiss. Foss., vol. iii (1838), 

 p. 108, pi. xii, f. 6, 9, 10 (?f. 5, 11, non f. 7, 8, 12, 13). 

 (Psanimodus on plate.) 

 LOC. L. Limest. Shales (Bone-bed) ; Bristol. [Teeth ; Bristol 

 Mus.] 



? lobatus, Etheridge, jun. v. Ctenoptychius lobatus. 

 tnarginalis, Davis, v. Polyrhizodus magnus. 

 psittacinus, M'Coy. v. Petalorhynchus psittacinus. 

 radicans, Agassiz. v. Polyrhizodus magnus. 

 rectus, Agassiz. v. Polyrhizodus magnus. 



recurvus, J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), 

 p. 497, pi. lx, f. 2. 

 LOC. L. Carb. Limest. ; Bristol. [Tooth ; olim Enniskillen Coll.] 

 rhombus, M'Coy. v. Petalodus acuminatus. 

 sagittatus, M'Coy. v. Petalorhynchus psittacinus. 

 serratus (M'Coy), Owen. v. Ctenoptychius serratus. 



[new variety), W. J. Barkas, Monthly Rev. Dental Surgery, 

 vol. ii, 1874, p. 537, f. xxvii, xxviii. 

 LOC. Coal-Meas. ; Northumberland. 



PETALORHYNCHUS, J. S. Newberry and A. H. Worthen {ex 

 Agassiz, MS.), Pal. Illinois, vol. ii, 1866, p. 32. 



? benniei, Etheridge, jun. v. Pristodus benniei. 



