32 
Catalogue of the Genera and Species of Stelleroidea. Pars 3 
? Upper Ordovicic (? Tremadoc) of Wales. Ramsey Island and 
St. JJavids. 
rigidus Billings = Petraster rigidus 
rugosa Wright = Hudsonaster rugosus 
stellata Billings = Schuchertia stellata 
Palasteriscus Stiirtz (A) 
1886 Palasteriscus Stiirtz, Palaeontogr., XXXII, p. 95, pl. 14, f. 1. 
1890 Palasteriscus Stiirtz, Ibid., XXXVI, p. 223, pl. 28, f. 23 — 
23 b; pl. 29, f. 24. 
1893 Palasteriscus Stiirtz, Verh. nat. Ver. preuss. Rheinl., L, 
p. 44, 61. 
1914 Palasteriscus Schuchert, Bull. 88, U. S. Nat. Mus. 
Genoholotype and only species: P. devonicus Stiirtz. 
devonicus Stiirtz 
References same as for genus. 
Lower Devome of Germany. Bundenbach. 
Palastropecten Stiirtz (AL) 
1886 Palastropecten Stiirtz, Palaeontogr., XXXII, p. 88, pl. 10, 
f. 3, 4. 
1890 Palastropecten Stiirtz, Ibid., XXXVI, p. 213, pl. 26, f. 12, 13. 
1897 Palastropecten Gregory, Proc. Zool. Soc. London, p. 1038. 
1899 Palaes pondylus Stiirtz, Verh. nat. Ver. preuss. Rheinl., 
LVI, p. 190. ^ 
1899 P alaeo spondylus Stiirtz, Ibid., p. 202. 
1914 Palastropecten Schuchert, Bull. 88, U. S. Nat. Mus. 
Genoholotype and only species: P. zitteli Stiirtz. 
zitteli Stiirtz 
References same as for genus. 
Lower Devonic of Germany. Bundenbach. 
Palmipes antiqua Forbes = Lindstromaster antiquus 
Petraster Billings (A) 
1858 Petraster Billings, Can. Org. Rem., III, p. 79. 
1868 Petraster Hali, 20 th Rep. N. Y. St. Cab., p. 283, 294; rev. 
ed., p. 325, 337. 
1879 Palaeaster Zittel (partim), Handb., I, p. 452. 
1914 Petraster Schuchert, Bull. 88, U. S. Nat. Mus. 
Palaeasterina of some authors. 
Genoholotype (type by monotypy): P. rigidus Billings. 
antiqua Shumard = Mesopalaeaster (?) antiquus 
bellulus Billings = Mesopalaeaster bellulus 
(?) americanus (D’Orbigny) 
1846 Asterias Graham, Anthony and James, Ani. Jour. Sci., 2d ser., 
I, p. 441 (fig. but no desc.). 
1850 Coela st er americanus D’Orbigny, Prodr. de Pal., I, p. 22 
(name only). 
1863 Asterias anthonii Dana, Man. Geol., p. 221 (fig. but no desc.). 
1863 Palasterina (?) jamesi Dana, Am. Jour. Sci., 2d ser., XXXV, 
p. 295. 
1864 Palasterina (?) jam, esi Dana, Man. Geol., 2d ed., p. 221 
(fig. bxxt no desc.). 
1868 Palaeaster jamesi Hali, 20th Rep. N. Y. St. Cab., p. 286; 
rev. ed., p. 329. 
1873 Palaeaster jamesi Meek, Pal. Ohio, I, p. 62, pl. 4, f. 4. 
1914 Petraster {‘i) americanus Schuchert, Bull. 88, U. S. Nat. Mus. 
Upper Ordovicic (Maysville) of United States. Cincinnati, Ohio. 
rigidus (Billings) 
1857 Palasterina rigidus Billings, Rep. Prog., Geol. Surv. Canada, 
p. 291. 
1858 Petraster rigidus Billings, Can. Org. Rem., III, p. 80, pl. 10, f. 3a. 
