442 



PULMONATA — STYLOMMATOPHORA 



Genera of doubtful position: Strohilops^ Ampelita^ Pedino- 

 gyra^ Polygyratia^ Macroeyclis^ Solaropsis. 



Fam. 6. Orthalicidae. — Radula, p. 233. Shell external, 

 large, bulimoid. Single genus, Orthalicus ; subg. Liguus^ Por- 

 phyrohaphe^ Corona. 



Fam. 7. Bulimulidae. — Radula, p. 233 ; jaw, p. 211 ; shell 

 usually external. Genera : Bulimulus (incl. Plecochilus^ G-oni- 

 ostomus, Drymaeus, Liostracus^ Otostomus, Navicular Scutalus, 

 Peronaeus^ EuryUis^ Eudioptus^ Plectostylus, Me- 

 semhrinus, Mormus^ etc.; Thaumastus, JYesiotis'), 

 Placostylus (incl. Charis^^ Amphidromus^ Partula^ 

 Calyeia (?), PeltellaQ^wivcidl limaciform, shell inter- 

 nal). Pellicula^ Amphihulimus (incl. Simpulopsis). 

 Fam. 8. Oylindrellidae. — Radula, p. 233 ; 

 shell many whorled, long turriculate, last whorl 

 often detached, apex often truncated (Fig. 169, 

 Fig. 296.— Odon- p. 260). Eocene . Genera: Oylindrella 



tostomus pan- ^ -.i , • n n ' mi, • \ r • 



tagrueiinus (with sections Ualloma^ Thaumasia)^ l/eia, 



Moric, s. Macroceramus, Pineria. 



Brazil. X ^. ^^^^ ^ Pupidae. — Radula, p. 233 ; shell 



external, spire usually long, aperture often narrowed, more or 



less toothed, often with internal lamellae. Carboniferous . 



Genera: Anostoma (Fig. 154, p. 248), Hypselostoma (Fig. 202 a, p. 

 302) ; Anastomopsis (Cretaceous), Lychnus (Cretaceous), Boyda^ 

 Odontostomus (incl. Tomigerus)., Buliminus (incl. 

 Petraeus^ Napaeus^ Zehrina, Mastus^ Chondrula^ 

 Ena^ and perhaps Bachis, Pachnodus^ ffapalus, 

 and others). Pupa (incl. Torquilla^ Pupilla, 

 Sphyradium^ Leueochila^ etc.), Zospenm, Vertigo^ 

 Megaspira, Strophia^ Holospira^ Eucalodium 

 (incl. Coelocentrum'), Coeliaxis^ Perrieria., Balea ; 

 Rlllya (Eocene), Clausilia (with many sub- 

 genera), Rhodina (?). 



Fam. 10. Stenogyridae. — Radula, p. 234 ; 

 shell long, spiral, shining, more or less trans- 

 lucid, apex blunt, sometimes decollated. Eo- 

 cene . Genera: Stenogyra (subg. Rumina, 



Fig. 297.— A,CIaU' 

 silia crasslcosta 

 Beu., Sicily; B, 

 ClaiisiHa niaca- 

 rana Ziej;., Dal- 

 matin ; B'. olau- 

 silium of same. 



Ohelisnu.'i, Opeas., Melauiella, Spiraxls^ Leptinaria^ 



Nothus^ Subulma, Glessula), Ferussacia (subg. Ciori'lla, Azeca), 



CaeciUanella (subg. Greostilhia'). Achatina (shell large, ventri- 



