CLIDASTES.
? Geosaurus Cuvier, Ossem. Foss. 2nd ed., 328, 1824, (fide Lydekker.)
Clidastes Cope, Proc. Acad. Nat. Sci. Phil. 1868, p. 233; Ext. Batr. etc., p. 21, 1870.
Edestosaurus Marsh, Amer. Journ. Sci. i, p. 417, June, 1871.
C. cineriarum.
Clidastes cineriarum Cope, Proc. Amer. Phil. Soc., 1870, p. 583; Cret. Vert. etc. pp. 137, 266, pl. xxi, ff. 14-17; Bullet. U. S. Geol. Surv. Hayden, iii, p. 583.
C. dispar.
Edestosaurus dispar Marsh, op. cit. i, p. 447, June 1871; iii, pl. xi., June, 1872.
C. velox.
Edestosaurus velox Marsh, Amer. Journ. Sci. i. p. 450, June, 1871.
Edestosaurus pumilus Marsh, ibid. p. 452.
? Clidastes affinis Leidy, Proc. Acad. Nat. Sci., 1870, p. 4; Rep. U. S. Geol. Surv., Hayden, vol. i, p. 283, 1873.
? Edestosaurus dispar Marsh, op. cit. xix, pl. i, f. 1, Jan., 1880.
C. Wymani.
Clidastes Wymani Marsh, Amer. Journ. Sci. i, p. 451, June, 1871; iii, p. 202, April, 1872.
Edestosaurus Wymani Marsh, op. cit. iii, p. 464, June, 1872.
C. tortor.
Edestosaurus tortor Cope, Proc. Amer. Phil. Soc. Dec., 1871; Marsh, op. cit. iii, p. 464, June, 1872.
Clidastes tortor Cope, Cret. Vert. Rep. U. S. Geol. Surv., Hayden, vol. ii, pp. 48, 131, 265, pls. iv, f. i; xiv, f. i; xvi, ff. 2, 3; xvii, f. 1; xix, ff. 1-10; xxxvi, f. 3; xxxvii, f. 2; Bullet. U. S. Geol. Surv. Hayden, vol. iii, p. 583.
C. stenops.
Edestosaurus stenops Cope, Proc. Amer. Phil. Soc. p. 330, 1871: Marsh, Amer. Journ. Sci. iii, p. 464, June, 1872.
Clidastes stenops Cope, Cret. Vert. etc. pp. 133, 266, pls. xiv, ff. 4, 5; xvii, f. 7, 8; xviii, ff. 1-5; xxxvi, f. 4; xxxvii, f. 3; xxxviii, f. 3.
C. rex.
Edestosaurus rex Marsh, op. cit. iii, p. 462, pl. xxii, f. 1, June, 1872.
C. planifrons.
Clidastes planifrons Cope, Bullet. U. S. Geol. Surv. No. 2, p. 31, 1874; Cret. Vert. etc. pp. 135, 265, pls. xxii, xxiii.
C. Westii.
C. Westii Williston, n. sp. infra.