Crepicephalus — Continued. page 



coosensis. new species, described 206 



figured pi. 32, figs. 3, 3a-f 246 



associated fauna 206 



characterized 201 



compared with Crepicephalus iowensis 206 



Crepicephalus upis 218 



formation and locality 206 



listed 203 



stratigraphic range 202 



coria, new species, described 206 



figured pi. :i2„ figs. 3, 2>a-g 248 



associated with Crepicephalus dis 207 



characterized 201 



compared with Crepicephalus texanus 206 



formation and locality 207 



listed 203 



stratigraphic range 202 



synonymy 206 



damia, characterized 201 



listed 203 



stratigraphic range 202 



dis, new species, described 207 



figured pi. 32, figs, i, la-c 246 



associated with Crepicephalus coria 207 



characterized 201 



compared with Crepicephalus iowensis 207 



Crepicephalus unca 217 



Crepicephalus unzia 217 



formation and locality 207 



synonymy 207 



gibbsi Whitfield, referred to Ptychoparia 204 



iowensis (Owen), described 207 



figured pi. 29, figs, i, 2, 2a-/ 240 



associated with Amphion ? matutina Hall 219 



Lonchocephalus chippewaensis 256 



compared with Crepicephalus camiro 205 



Crepicephalus cooensis 206 



Crepicephalus dis 207 



Crepicephalus texanus 208 



Crepicephalus sp. undt. ( i ) 218 



Crepicephalus sp. undt. (2) 218 



other species of Crepicephalus 200, 201 



Lonchocephalus chippewaensis Owen 191 



Saratogia 195 



distribution 208 



formation and locality 209 



listed 203 



Owen's description of 202 



stratigraphic range 202 



synonymy 207 



