264 ILLINOIS ACADEMY OF SCIENCE 
Cyclocystoides ornatus n. sp. 
Prasopora sp. 
Chasmatopora granistriata (Ulrich). 
Plectambonites aff. sericeus (Sowerby). 
Rafinesquina near alternata (Emmons). 
*Rafinesquina mesicosta (Shumard). 
*Leptaena rhomboidalis (Wilckens). 
Strophomena aff. planumbona (Hall. ) 
*Protozeuga sulcocarinata Savage. 
*Homoeospira immatura Savage. 
Dalmanella meeki (Miller). 
*Dalmanella modesta Savage. 
*Rhynchotrema ( ?) illinoisensis Savage. 
Pterinea thebesensis Meek and Worthen. 
Pterinea oblonga n. sp. 
Cf, Byssonychia tenuistriata Ulrich. 
Lyrodesma sp. 
*Phragmolites imbricatus (Meek and Worthen). 
Strophostylus ornatus n. sp. 
*Cornulites incurvus (Shumard). 
*Cornulites tenuistriatus (Meek and Worthen). 
Isotelus convexus Nn. sp. 
*Acidaspis halli Shumard. 
*Calymene dubia Savage. 
*Cyphaspis girardeauensis Shumard. 
*Encrinurus deltoideus Shumard. 
Ceratopsis robusta, Ulrich. 
In the foregoing list of fossils, those species that continue 
upward into the overlying Girardeau limestone are indicated by 
a star in front of the name. 
