Belemnitella ^02 



Xiphoteuthis 0. 



Acamthote&this ~ 202 



Gonoteuthis 203 



Belemnosis .__----- 



Beloptera- --------- 205 



Soirulirostra- ------- 205 



Spiriia 03 



Tetrabranchiata 



Orathoceras- -------- 06 



Clinoceras- -------- -210 



Plioceras- -------- - 211 



dyrtoceras- - - - - - 211 



gomphceras- - - - - 211 



Sycoeoas- --- ------ 212 



Ascocaras- -- ------- 212 



Glossoceras -------- 212 



Aphragmites- -- - --- 212 



Phragmoceraa -------- 21E 



Gyrocerus --- ^- 212 



lothceras 213 



Hercoceras -------- -213 



lituites 213 



Mscoceras 213 



Pteronautilus ------- 214 



Clymenia ---- ---- 214 



Subclymenia - - - - - 214 



Trococoras -------- 214 



Kautilus 214 



Baculitos - . - - - - 218, 



Baculina 219 



Hh^doceras 219 



Bactritos 219 



Toxoceras ------- 219 



Hanulina - - 219 



Hamites - - - 219 



Jtychoceras ------- 2kiO 



Obchlocerus ------ 20 



Anoylocer .3 ----- - 20 



^uiisocoras --------- 220 



Scaphites --------- 220 



Goniatites 221 



Geratites --- ----- L1 

 Buchiceras -------- 21 



