WITH LIST OP SPECIMENS. 
39 
Pentatrematites pyriformis (Say) : C. F. Roemer, 1851 : v. Pentre- 
mites piriformis. 
Pentatrematites reinwardtii (Troost) : C. F. Roemer, 1851 : 
v. Troostocrinus reinwardti. 
Pentatrematites schultzii (d’Archiac & de Yerneuil): C. F. Roemer, 
1851: v. Cryptoschisma schelzi. 
Pentatrematites selcates* C. F. Roemer, 1851 : v. Pentremites 
selcates. 
PENTATREMITES, H. G. Bronn, 1860 ; occasionally used instead 
of Pentremites (q. v.). 
PENTEPHYLLUM, S. Haughton, 1859, Journ. Geol. Soc. Dublin, 
viii, p. 183, pi. xxix. Type-species— P. aclarense. 
Pentephyllem adaremse, S. Haughton, 1859, Journ. Geol. Soc. 
Dublin, viii, p. 183, pi. xxix. R. Etheridge fil. & P. H. Carpenter, 1886, 
Cat. Blastoidea Brit. Mus. p. 296, pi. xvi, ff. 14-16. 
-. Two plaster-casts of the type-specimen. Lower Carboniferous, 
Carboniferous Limestone : Adare, Limerick, Ireland. [E. 71.] 
PENTREMITE, T. Say, 1820 : v. Pentremites. 
Pentremite florealis (E, F. von Schlotheim): T. Say, 1825: v. 
Pentremites godoni. 
Pentremite globosa, T. Say, 1825 : v. Pentremites ? globosus. 
Pentremite pyriformis, T. Say, 1825: v. Pentremites piri¬ 
formis. 
PENTREMITES. Pentremite, T. Say, 1820, Amer. Journ. Sci. ii, 
p. 36 ; and 1825, Journ. Acad. Nat. Sci. Philadelphia, iv, p. 292; 
reprinted 1825, Zooi. Journ. ii, p. 313. Pentremites (pars), G. B. 
Sowerby, 1825, Zool. Journ. ii, p. 316. Pentatrematites (pars), G. B. 
Sowerby, 1828, Zool. Journ. iv, p. 89. Pentatremites , H. G. Bronn, 
1860, Klassen und Ordn. Thier-Reichs, ii, p. 189. Pentremites, Say : 
R. Etheridge fil. & P. H. Carpenter, 1886, Cat. Blastoidea Brit. Mus. 
p. 150. Type-species— P. godoni. 
Pentremites abbreviates* G. Hambach, 1880: v. Pentremites 
godoni* var. abbreviates. 
Pentremites acetangeles, L. Schultze, 1867 : v. Pentremitidea 
acetangela. 
Pentremites acetes, “ Gilb.”: J. Phillips, 1836: v. PhssnoscMsma 
acetem. 
