214 



REPTILIA 



CLASS III 



Felagosaurus, Bronn (Fig. 313). Like the preceding, but much smaller, 

 the snout tapering more gradually, and orbits laterally directed. Antorbital 

 vacuity much reduced or absent; suborbital vacuity in the palate large ; 

 posterior narial opening of pyriform outline. P. fj/pus, Bronn, about 1 m. in 

 length ; some species 2 m. Upper Lias of Southern Germany and France. 



Steneosaurus, GeofF. {Sericodon, v. Meyer). Differs from Mystriosaurus in 

 having the posterior narial opening rounded, palatines more expanded, and 

 frontal small. Upper Lias to Kimmeridgian. 



Teleosaurus, Geoff. (Figs. 314, 315). Skull much elongated and narrow ; 

 snout flattened, thin, with rectilinear edges ; teeth curved outwards ; orbits 



Fig. 315. 



Teleosaurus cadomensis, Cuvier sp. ßatlioriian ; Noriimiidy. 

 Portion of dorsal (A), and ventral (ß) armour (restored after E. Deslongcliamps). 



circular, superiorly directed. Dorsal scutes longitudinally keeled in sacral and^ 

 caudal regions ; ventral armour extending between the limb girdles. LowerJ 

 Middle, and Upper Jura. T. cadomensis, Geofi'. 



Aeolodon, v. Meyer ; Crocodileimus, Jourdan ; Teleidosaurus, Deslong. Upp< 

 Jura. 



Family 2. Metriorhynchidae. Zittel. {Thalaftosuchia, Fraas.) 



Orbits entirely endosed, elongated, laterally placed, with sderofic ring. Pre- 

 frontals large; nasals broad, widening the snout region posteriorly ; lachrymals 



