Catalogue of the Genera and Species of Stelleroidea. 
39 
1871 Xenaster simplex Simonovitsch, Ibid., p. 97, pl. 3, f. 1, la. 
1876 Xenaster simplex Quenstedt, Petr. Deutschl., L, IV., p. 73. 
1879 Xenaster (Coelaster) latiscutatus Zittel, Handb., I, p. 454. 
1880 C oelaster latiscutatus Nickolson and Etheridge, Sil. Foss. 
Girvan Dist., III, p. 322. 
1890 G oelaster latiscutatus Stiirtz, Palaeontogr., XXXVI, p. 247,. 
1907 Spaniaster latiscutatus Sckondorf, Jahrb. nass. Ver. Naturk., 
LX, p. 176. 
1909 Spaniaster latiscutatus Sckondorf, Ibid., LXII, p. 31, pl. 5, 
f. 1 — 3; t. f. 2. 
1909 Spaniaster latiscutatus Schondorf, Palaeontogr., LVI, 
p. 73—82, 109, pl. 8, f. 2; pl. 10, f. 2, 9, 10; pl. 11, f. 9. 
1914 Spaniaster latiscutatus Schuckert, Bull. 88, U. S. Nat. Mus. 
Lower Devonic (Upper and Lower Coblenzian) of Germany. 
IJnkel, near Bonn; Bienhorntale, near Coblenz; Oberstadtfeld 
in the Eifel; Niederlahnstein. 
Squamaster Rmgueberg (AL) 
1886 Squamaster Rmgueberg, Bull. Buffalo Soc. Nat. Sci., V, p. 5, 6, 
pl. 1, f. 1. 
1914 Squamaster Schuchert, Bull. 88, U. S. Nat. Mus. 
Genokolotype and only species: S. echinatus Rmgueberg. 
echinatus Rmgueberg 
References samc as for genus. 
Siluric (Rochester) of Nortk America. Lockport, N. Y. ; Grimsby, 
Ontario. 
Stenaster Billings ( par tim ) = Urasterella 
Stenaster Billings (A) 
1858 Stenaster Billings, Can. Org. Rem., III, p. 77. 
1890 Stenaster Stiirtz, Palaeontogr., XXXVI, p. 220. 
1893 U raster ella Stiirtz (not McCoy), Verh. nat. Ver. preuss. Rheinl., 
L, p. 40, 41, 56. 
1899 Stenaster Gregory, Geol. Mag., Dec. IV, VI, p. 352. 
1914 Stenaster Sckuchert, Bull. 88, U. S. Nat. Mus. 
Genokolotype (tke first species and the one selected by subsequent 
workers): S. salter i Billmgs. 
(??) confluens Trautsckold 
1879 Stenaster confluens Trautschold, Kalkbriiche v. Mjatschkowa, 
p. 11, pl 2, f. 5. 
1909 Stenaster confluens Schondorf, Palaeontogr., LVI, p. 337. 
1914 Stenaster (??) confluens Schuchert, Bull. 88, U. S. Nat. Mus. 
Upper Carbonic (Moscovian) of Russia. Moscow. 
?) coronella (Salter) 
1857 Palaeaster coronella Salter, Ann. Mag., 2d ser., XX, p. 326. 
1862 Palaeaster coronella Wright, Brit. Foss. Ech., II, I, p. 25. 
1886 Stenaster (?) coronella Stiirtz, N. Jahrb. f. Min., II, p. 153. 
1914 Stenaster (?) coronella Schuchert, Bull. 88, U. S. Nat. Mus. 
Siluric (May Hili) of England. Gunwick Mill, Malvem. 
grandis Meek = Urasterella grandis 
huxleyi Billmgs = Urasterella huxleyi 
(?) obtusus (Forbes) 
1845 Asterias primaeva Salter and Sowerby, Quart. Jour. Geol. 
Soc., I, p. 8, 20 (nom. nud.). 
1848 Uraster obtusus Forbes, Mem. Geol. Surv. Gt. Brit., II, Pt. II, 
p. 463. 
1849 Uraster obtusus Forbes, Brit. Org. Rem., I, p. 2, pl. 1, f. 3. 
1854 Uraster obtusus Murchison, Siluria, p. 182, f. 17. 
1857 Palaeaster obtusus Salter, Ann. Mag., 2d ser., XX, p. 326. 
1862 Palaeaster obtusus Wright, Brit. Foss. Ech., II, I, p. 24. 
