PLATE 22 
All specimens coated and magnified x 31.5 
Fics. 1-4. Neoprioniodus cf. camurus Rexroad 
1a. Inner lateral view of specimen X 285. 1b. Outer lateral view of specimen X 285. 2a. 
Inner lateral view of specimen X 287. 2b. Outer lateral view of specimen X 287. 3a. Inner 
lateral view of specimen X 284. 3b. Outer lateral view of specimen X 284. 4a. Inner lateral 
view of specimen X 286. 4b. Outer lateral view of specimen X 286. 
Fics. 5-8. Neoprioniodus montanaensis (Scott) 
5a. Outer lateral view of specimen X 271. 5b. Inner lateral view of specimen X 271. 6a. 
Inner lateral view of specimen X 269. 6b. Outer lateral view of specimen X 269. 7a. Outer 
lateral view of specimen X 268. 7b. Inner lateral view of specimen X 268. 8a. Outer lateral 
view of specimen X 270. 8b. Inner lateral view of specimen X 270. 
Fics. 9, 10, 12. Neoprioniodus scitulus (Branson & Mehl) 
ga. Lateral view of specimen X 277. 9b. Lateral view of specimen X 277. 10a. Lateral view 
of specimen X 276. rob. Lateral view of specimen X 276. 12a. Lateral view of specimen 
X 278. 12b. Lateral view of specimen X 278. 
Fic. 11. Euprioniodina caverna (Collinson & Druce) 
a. Outer lateral view of specimen X 83. b. Inner lateral view of specimen X 83. 
Fic. 13. Euprioniodina sp. nov. A 
a. Inner lateral view of specimen X 86. b. Outer lateral view of specimen X 86. 
Fic. 14. Neoprioniodus sp. nov. A 
Inner lateral view of specimen X 282. 
Fic. 15. Euprioniodina sp. 
a. Inner lateral view of specimen X 85. b. Outer lateral view of specimen X 85. 
Fic. 16. Euprioniodina microdentata (Ellison) 
a. Inner lateral view of specimen X 84. b. Outer lateral view of specimen X 84. 
Fic. 17-20. Hindeodus sp. 
17a. Outer lateral view of specimen X 191. 17b. Inner lateral view of specimen X 191. 18a. 
Outer lateral view of specimen X 189. 18b. Inner lateral view of specimen X 189. 19a. Outer 
lateral view of specimen X 188. tgb. Inner lateral view of specimen X 188. 20a. Inner 
lateral view of specimen X 190. 2o0b. Outer lateral view of specimen X 190. 
