I5EKDK : FAUNAL STUDIES, II. 173 



Pugna.r utah (Marcou) Hall and Clarke. 

 Seminula argentia (Shepard) Hall and Clarke. 

 Spirifer cameratus Morton. 

 Spiriferina cristata (Schlotheim) Dawson. 

 Allorisma costal wm Meek and Worthen. 

 Allorisma geinitzi Meek. 

 Allorisma granosum (Shumard) Keyes. 

 Allorisma kansasensis Beede. 

 Aviculopecten carboniferus (Stevens) Meek. 

 Aviculopecten hertzeri Meek. 

 Aviculopecten maccoyi Meek and Hayden. 

 Aviculopinna americana Meek. 

 Edmondia aspen wallensis Meek. 

 Edmondia nebraskensis (Geinitz) Meek. 

 Entolium aviculatum (Swallow) Meek. 

 Lima retifera Shumard. 

 Limopteria gibbosa (Meek and Worthen). 

 Macrodon cf. tenuistriata (Geinitz) Meek and Worthen. 

 Modiola subelliptica Meek. 

 Myalina kansasensis Shumard. 

 Myalina sic allow i McChesney. 

 Nucula? sp. (cast, very small) . 

 Nuculana bellistriata attenuata Meek var. 

 Pinna lata Beede. 



Placunopsis carbonaria Meek and Worthen. 

 f Pseudomonotis hawni equistriata Beede var.? 

 * Pteria longa (Geinitz) . 

 Schizodus alpina (Hall) Keyes. 

 Schizodus circuits Worthen. 

 Schizodus wheeler i (Swallow) Meek. 

 Yoldia subscitula Meek and Hayden. 

 Bellerophon carbonaria Cox. 

 Bellerophon crassus Meek and Worthen. 

 Bellerophon niontfortianus Norwood and Pratten. 

 * Bellerophon percarinatus Conrad. 

 Bulimorpha nitidula (Meek and Worthen) Keyes. 

 Capulus parvus Swallow. 



Pleurotomaria illinoiensis Worthen? Differs from this species 

 in being much smaller and in having a larger number of nodes 



