114 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I03 



PLATE 5 



PAGE 



Dnimaspis alberta, new species 29 



1-3. Dorsal, side, and front views of the holotype cranidium (X6). 



Lyell formation; (loc. 64X) Ranger Brook Canyon, Sawback Range, 

 Alberta. 

 Dnimaspis briscooisis, new species 30 



4, 5. Front and dorsal views of an incomplete cranidium (X 2.5). 



6-8. Three views of the holotype cranidium (X2.5). 



Sabine formation; (loc. i/p) Radium Hot Springs, Brisco Range, 

 British Columbia. 

 Dnimaspis yoodsircnsis', new species 30 



9. Impression of holotype cranidium (X3)- 



"Goodsir" formation ; Moose Creek, Ottertail Range, British Columbia. 

 Dnimaspis sahiticnsis, new species 31 



10, II. Dorsal and side views of the holotype cranidium (X6). 

 Sabine formation; (loc. 17s) Sabine Mountain, 2 miles northeast of 



Canal Flats, Brisco Range, British Columbia. 



Dnimaspis maxn'clli, new species _. 31 



12, 13. Side and dorsal views of the holotype cranidium (X3)- 

 St. Charles limestone; (loc. 66z) St. Charles Canyon, Bear River 

 Range, Idaho. 



Dnimaspis dcckcri, new species 31 



14-16. Dorsal, front, and side views of the holotype cranidium (X6). 

 Honey Creek limestone; (loc. 91b) 4 miles southeast of Hennepin, 

 West Timbered Hills, Arbuckle Mountains, Oklahoma. 



Dnimaspis oscUa, new species 32 



17-19. Dorsal, side, and front views of the holotype cranidium (X 3-5 )• 



20. Another less complete cranidium (X3-5)- 



Wilberns formation; (loc. 70) Baldy Mountain, 8 miles northwest of 

 Burnet, Texas. 

 Dnimaspis zi.'icliitacnsis, new species 33 



21, 22. Dorsal and side views of the holotype cranidium (X2). 

 Honey Creek limestone; (loc. 91U) i mile east of Canyon Creek, 15 



miles northwest of Fort Sill, Wichita Mountains, Oklahoma. 



Dnimaspis clara, new species 33 



23. Libragene (X 3)- 



24-26. Front, side, and dorsal views of the holotype cranidium (X2). 

 Honey Creek limestone; (loc. 91s) West Timbered Hills, Arbuckle 

 Mountains, Oklahoma. 



Dnimaspis texaiia, new species 32 



27, 28. Dorsal and side views of a large cranidium (X6). 



29. Holotype cranidium (X 5)- 



30. A small cranidium (X5)- 



Wilberns formation; (loc. 70) Baldy Mountain, 8 miles northwest of 

 Burnet, Texas. 



Dnimaspis utahcnsis, new species 34 



31-33. Side, front, and dorsal views of the holotype cranidium (X<j). 

 St. Charles limestone; (loc. 54x) Two Mile Canyon, 2 miles south of 

 Malad, Wasatch Mountains, Idaho. 



Dnimaspis nitida, new species 34 



34-35. Side and dorsal views of the holotype cranidium (XS)- 

 Honey Creek limestone; (loc. 91s) West Timbered Hills, Arbuckle 

 Mountains, Oklahoma. 



Cheilocephalus tcxanus, new species 35 



36-38. Front, side, and dorsal views of the holotype cranidium. (36 and 



37, X3; 38, X6.) 

 Hickory sandstone; (loc. 68z) Packsaddle Mountain, 11 miles south- 

 east of Llano, Texas. 



Cheilocephalus tmchitaensis, new species 35 



39. Holotype cranidium (X2). 



Honey Creek limestone; (loc. 9p) 15 miles northwest of Fort Sill, 

 Wichita Mountains, Oklahoma. 



