201 



LINDSTRÖM, UN Tllli SII.UIUAN UAöTRUPODA ANIJ TTEKoruDA OF GOTLAND. 



Pitonellus MoNTFORT 1810, Conchyl. System. 



II, 170. 

 Platyceras Conrad 1840, Ann. Rept. Geol. 



Surv. N. Y., 205. 

 Platystoina (not Platyostotna) Cone. 1842, 



Acacl. Nat. Sci. Philad. Journ. 1839— 



42, 275. 

 Platy{o)stoiiiella R. ETHERiDGEJr 1880, Proc. 



R. Phys. Soc. Edinb., 163, Carbonif. 

 Platyschisma Mac Coy 1844, Carbonif. Foss. 



of Ireland, 38. 

 Plectostylus Conrad 1842, Journ. Ac. N. 



Se. Phil. 1839—42, 275. The name 



in 1837 preocciipied by Beck for a 



Helicid shell. 

 Pleuronotus Hall 1879, Pal. N. Y. vol. V, 



pt. II, 138. = Euomph. Decewi. 

 Pleurolomaria De France 1821 in Férus- 



sac, Tabl. Svst., XXXIV. 

 Plenrotomarium Blainville 1825, Malae., 



429, »niale» Hermannsen. 

 Polyphemopsis Portlock 1843, Rept. Geol. 



Londonderry, 415, probably = Subu- 



lites. 

 Polytremaria D'Orb. 1850. Prodr. I, 122. 



Carbonif. 

 Polytropis De Koninck 1881, Faune II, iii, 



107. = Oriostoma. 

 Porcellia L'Eveillé 1835, Mera. Soc. Géol. 



de France II, 39. 

 Portlockia De Kon. 1881, Faune II, iii, 81. 

 Priscochiton Billings 1865, Palteoz. Foss. 



Canada I, 394. Lower Silurian. 

 Probolceum Carpenter according to Dall 



1882, Proc. N. S. Nat. Mus. 281, a 



Devonian Chitonid. 

 Protalochiton Rochebrune 1882, Ann. Soc. 



Géol. XIV, 30, Carbon. 

 Pseudopliorus Meek 1873, Geol. of Ohio I, 



222. 

 Pterochiton Carpenter according to Dall 



1882, Proc. U. S. Nat. Mus.' 281, Bel- 



giura, Ireland, Carbonif. 



Ptychoniphalus Agassiz 1837 in Gross-Bri- 



taniens Mineral Conchologie von James 



Sowerby. Deutsche Bearbeit. von Ag., 



23 and 222, 

 Pycnomphalus Lindstr. 1884, Silurian Ga- 



stropoda of Gotland, 153. 

 Rhabdoiileura De Kon. 1881, Faune II, iii, 75. 

 Rhaphistoina Hall 1847, Pal. N. Y. I, 28. 

 R/wieoderiiiaDEKotii. 1883, Faune, II, iv, 103. 

 Rhomhochiton De Kon. 1883, Faune II, iv, 206. 

 Rotella Lam. 1822, Hist. VII, 6. According 



to De Koninck a fossil species occurs 



in the Carbonif. form. of Belgium. 

 Rotellina De Kon. 1883, Faune II, iv, 92. 

 Sagmuplaxus Oeiilert 1881, Méin. Soc. 



Géol. de France 3me Ser. Torne II, 15 



a Chitonid. 

 Salpingostoma Ferd. Roemer 1876, Leth. 



Geogn. Taf. 5, f. 12. 

 Sccpvogyra Whitfield 1877, Paljeontology 



of Wisconsin, 253. 

 Scalites Conrad 1842, Emmons Geol. Rep., 



312. 

 Scismrella D'Orb. 1823, Mém. Soc. H. N. 



Par. I, 340. 

 Schizostoma Bronn 1835, Lethfea, Ed. 1 vol. 



I, 95. 

 Scoliostoma M. Braun 1838, N. Jahrbuch, 291. 

 Serpularia A. F. Roemer 1843, Geol. Harz- 



gebirge, 31. =^ Pleurotomaria. 

 Siphonaria Sow. 1824, Gen. of Shells, pl. 



143. Used by Barrande according to 



BiGSBY, Thes. SiL, 168 for a Bohe- 



uiian Patelloid. 

 Solavium Lamk 1801, Syst. anim. s. vert. 



86. De Koninck used 1843 this name 



for Euomphalus or Pleuronotus. 

 Soleniscus Meek & Worthen 1860, Proc. 



Ac. N. Se. Philad., 467, Carbonif. 

 Spirorbis, Steininger 1831, Bemerkungen 



uber die Verstein. in der Eifel. Stei- 



ningers Sp. maximus belongs to the 



Devonian Euomphalus. 



