24 
Catalogue of the Genera and Species of Stelleroidea. 
Pars 3 
Medusaster Stiirtz (A) 
1890 M edusaster Stiirtz, Palaeontogr., XXXVI, p. 229, pl. 31, 
f. 34, 35. 
1893 M edusaster Stiirtz, Verh. nat. Ver. preuss. Rheinl., L, p. 54, 73. 
1914 Medusaster Schuchert, Bull. 88, U. S. Nat. Mus. 
Genoholotype and only species: M. rhenanus Stiirtz. 
rhenanus Stiirtz 
References sarne as for genus. 
Lower Devonic of Germany. Bundenbach. 
Mesopalaeaster Schuchert (A) 
1860 — 1914 Palaeaster (partirn) of authors. 
1868 ? Ar gaster Hali, 20th Rep. N. Y. St. Cab., p. 287; rev. ed., 
p. 329 (nom. nud.). 
1914 M esopalaeaster Schuchert, Bull. 88, U. S. Nat. Mus. 
Genoholotype: Palaeaster shaef / eri Hali. 
(?) acuminatus (Simonovitsch) 
1871 Aster ias acuminatus Simonovitsch, Sitzb. mat.-nat. Classe 
Akad. Wiss., Wien, LXIV, I, p. 100, pl. 3, f. 2 — 2d. 
1886 Roemeraster (?) acuminatus Stiirtz, N. Jahrb. f. Min., II, 
p. 154. 
1909 Asterias acuminata Schondorf, Palaeontogr., LVI, p. 72, 109, 
pl. 11, f. 7, 8. 
1909 Asterias acuminata Schondorf, Jahrb. nass. Ver. Naturk., 
LXII, p. 32, pl. 5, f. 4, 5. 
1914 Mesopalaeaster (?) acuminatus Schuchert, Bull. 88, U. S. 
Nat. Mus. 
Lower Devonic ( ? Upper Coblenzian) of Germany. Near Braubach. 
(?) antiquus (Troost) 
1835 Asterias antiqua Troost, Trans. Geol. Soc. Penn., I, p. 232, 
pl. 10, f. 9. 
1850 Asterias antiqua Troost, Proc. Amer. Assoc., II, p. 59 (cat. 
name). 
1866 Petraster (?) antiqua Shumard, Trans. Acad. Sci. St. Louis, 
II, p. 386 (cat. name). 
1868 Palaeaster (Argaster) antiqua Hali, 20th Rep. N. Y. St. 
Cab., p. 287 ; rev. ed., p. 329. 
1889 Palaeaster antiquus Miller, N. Am. Geol. Pal., p. 265 (cat. 
name). 
1899 Argaster antiqua Gregory, Geol. Mag., Dec. IV, VI, p. 345. 
1909 Palaeaster antiqua Wood, Bull. 64, U. S. Nat. Mus., p. 105, 
pl. 8, f. 1. 
1914 M esopalaeaster (?) an Ggwws Schuchert, Bull. 88, U. S. Nat. Mus. 
Middle Ordovicic (Trenton) of United States. Harpetli River, 
Davidson County, Tenn. 
bellulus (Billings) 
1865 Petraster bellulus Billings, Pal. Foss., I, p. 393, f. 368. 
1889 Petraster bellulus Miller, N. Am. Geol. Pal., p. 269, f. 389. 
1914 M esopalaeaster bellulus Schuchert, Bull. 88, U. S. Nat. Mus. 
Siluric (Rochester) of Canada. Grimsby, Ontario. 
caractaci (Gregory) 
1865 Palaeaster caractaci Salter, Cat. Foss. Mus. Pract. Geol., 
p. 30 (nom. nud.). 
1880 Palaeaster caractaci Nicholson and Etheridge, Sil. Foss. 
Girvan Dist., III, p. 321 (no desc.). 
1899 Palaeaster caractaci Gregory, Geol. Mag., Dec. IV, VI, p. 344. 
1910 Palaeaster caractaci Schondorf, Jahrb. nass. Ver. Naturk., 
LXIII, p. 227. 
1914 Mesopalaeaster caractaci Schuchert, Bull. 88, U. S. Nat. Mus. 
Ordovicic (Caradoc) of England. Church Stretton and Marshbrook. 
