442 



PULMONATA STYLOMMATOPHORA 



Genera of doubtful position : Strohilops, Avvpclita, Pcdinocjyra, 

 Folygyratia, Macrocyclis, Solaropsis. 



Fainl G. Orthalicidae. — Eadula, p. 233. Shell external, large, 

 l)ulinioid. Single genus, Orthalicus ; subg. Liyuus, Forphyro- 

 baphe, Corona. 



r AM. 7. Bulimulidae. — Radula, p. 2 3 3 ; jaw, p. 211; shell 

 usually external. Genera : Bulimidus (inch Plecochilus, Gonio- 

 stomus, Drymaeus, Liostracus, Otostomus, Navicula, Scutalus, 

 Feronaeus, Uurytus, Uudioptus, Flectostylus, Mesem- 

 hrinus, Iformus, etc. ; Tkaumastus, Ncsiotis), Flaco- 

 stylus (inch Charis), Amphidromus, Fartula, Calycia 

 (?), Feltella (animal limaciform, shell internal), 

 Fcllicula, Amp)h%bid'imus (inch Simpidopjsis). 



Fam. 8. Cylindrellidcte. — Radnla, p. 233 ; shell 



many whorled, long turriculate, last whorl often 



detached, apex often truncated (Fig. 169, p. 260). 



— . Genera : Cylindrella (with sec- 



FiG. 296. — Odon- Eocene 



iostomus pan- 

 tagruelinus 

 Moric, S. 



Brazil, x i. 



tions Callonia, Thaumasia), Leia, Macroceramus, 



Fincria. 



Fam. 9. Fupidac,. — Eadula, p. 233; shell 

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



less toothed, often with internal lamellae. Carl^oniferous . 



Genera: Anostoma (Fig. 154, p. 24iQ), Hypselostoma (Fig. 202, A, 

 p. 302) ; Anastomopsis (Cretaceous), Lychmts (Cretaceous), Boysia, 

 Odontostomus (incl. Tomigerus), Buliminus (inch 

 Fetraeus, Napaeus, Zebrina, Mastus, Cliondrula, 

 Ena, and perhaps Rachis, Pa.cli,nodns, Hapcdus,, 

 and others), Fupa (incl. TorqvAlla, Fupilla, 

 Sphyradmiii, Leucochila, etc.), Zospeum, Vertigo, 

 Megaspira, StrojJhia, Holospira, Bucalodium 

 (incl. Coelocentrum), Coeliaxis, Ferrieria, Balea ; 

 Rillya (Eocene), Clausilia (with many sub- 

 genera) Bhodina (?). 



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

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

 lucid, apex blunt, sometimes decollated. 



Eocene . Genera: Stenogy 7'a (snhg. Bumina, 



Oheliscus, Opeas, Melaniella, Spiraxis, Leptinaria, 



JVothus, Suhulina, Ghssida), Ferussacia (subg. CioncUa, Azeca), 



CaeciliancUa (subg. GeostilMa), Achatina (shell large, ventricose. 



Fig. 297. — Jk/JlausiUa 

 crassicosta Ben., 

 Sicily ; B, Clau- 

 silia tnacarana 

 Zieg., Dalmatia ; 

 B', clausilium of 

 same. 



