462 KANSAS UNIVERSITY SCIENCE BULLETIN, 



O (SO 



M • M*^ 



ffl 2 ® a 

 S" 5- 



a, b. 



Orbiculoidea missouriensis (Shumard), x 



Productus cora d'Orbigny x x 



Productus longispinus (Sowerby) c 



Productus muricatus Norwood and 



Pratten* a c 



Productus nebrascensie Owen* x 



Productus semireticulatus (Martin) x x 



Pugnax Utah (Marcou) 



Reticularia perplexa (McChesney) x a 



Seminula argentia (Shepard)* c c 



Spirifer cameratus Morton* x x 



Spiriferina ken tuckiensis (Shumard) 



Allorisma costatum Meek and Worthen, x 



AUorisma subcuneatum Meek and Hay- 

 den X 



Astartella ? sp 



Astartella varica McChesney? 



Aviculopecten interlineatus Meek and 



Worthen x 



Aviculopecten occiden talis ( Shumard ) ? x 



Aviculopecten rectilaterarius Cox 



Aviculopecten sp x 



Aviculopecten sp 



Entoliumaviculatum (Swallow)?? x 



Macrodon ? sp 



Macrodon tenuistriatus Meek and 



Worthen ? x 



Myalina sp 



Nucula?sp X 



Nucula ventricosa Hall 



Nuculana bellistriata attenuata Meek, 



Pelecypod sp 



Pelecypod sp 



Schizodus sp x x 



Yoldia knoxensis McChesney 



Aclisina minuta ( Stevens ) c 



Bellerophon carbonaria Cox ? 



Bellerophon montfortianum Norwood 



and Pratten 



Bulimorpha inornata (Meek and 



Worthen ) 



Bulimorpha sp x 



Dentalium sp 



Gastropod sp x 



Gastropod sp x 



Loxonema sp x . . . . 



Loxonema sp x . . . . 



Pleurotomaria brazoeneis Shumard. ... x 



