IIO SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I03 



PLATE 1 



PAGE 



Char'wccpJialus tencnis, new species 5 



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

 Honey Creek limestone; (loc. 371) 4 miles southeast of Hennepin, 

 Arbuckle Mountains, Oklahoma. 



Charioccphalus bcllus, new species 6 



4-6. Dorsal, front, and side views of the holotype cranidium (X3)- 

 Honey Creek limestone; (loc. 37v) West Timbered Hills, Arbuckle 

 Alountains, Oklahoma. 



Chariocephalus bulla, new species .- 7 



7, 8. Dorsal and rear views of the pygidium assigned to the species 



(X2). 

 9-I1. Dorsal, side, and front views of the holotype cranidium (X3)- 

 Honey Creek limestone; (loc. 37V) West Timbered Hills, Arbuckle 

 Mountains, Oklahoma. 



Chariocephalus teres, new species 7 



12, 13. Dorsal and front views of holotype cranidium (X S)- 

 Honey Creek limestone; (loc. 2>7\) West Timbered Hills, Arbuckle 

 Mountains, Oklahoma. 



Chariocephahus affinis, new species 8 



14. Associated libragene (X2). 



15-17. Side, dorsal, and front views of the cranidium (X3)- 

 18-20. Dorsal, side, and rear views of the pygidium (X3)- 

 Honey Creek limestone; (loc. 37U) West Timbered Hills, Arbuckle 

 Mountains, Oklahoma. 



Chariocephalus agrarius, new species 8 



21. Libragene (X 2). 



22. Hypostoma (X i-s). 



23. Large cranidium (X2). 



24-26. Dorsal, front, and side views of holotype cranidium ( X 2) . 

 27, 28. Dorsal and side views of pygidium (X2). 

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

 Mountains, Oklahoma. 



Chariocephalus gracilcns, new species 9 



29-31. Dorsal, front, and side views of the holotype cranidium (X 3)- 

 Honey Creek limestone; (loc. 9y) 2 miles southeast of Canyon Creek, 

 Wichita Mountains, Oklahoma. 



Chariocephalus montis, new species 10 



32-34. Side, front, and dorsal views of holotype cranidium ( X 5 ) ■ 

 Honey Creek limestone; (loc. 9iq) 8 miles southeast of Mountain View, 

 Wichita Mountains, Oklahoma. 



Chariocephalus angiustatus, new species 9 



35-37- Dorsal, side, and rear views of the associated pygidium (X2). 

 38-40. Holotype cranidium (X6). 



Honey Creek limestone; (loc. S7'v) West Timbered Hills, Arbuckle 

 Mountains, Oklahoma, 



