REPORT OF THE STATE PALEONTOLOGIST 1902 



995 



Zone 8, Osivayo shales and Knapp beds 



Pugnax ? sp. ? 



Lingula sp. ? 



Syringothyris randalli Simpson 



Rhynchospira scania Hall&Clarke 



Bryozoan gen. and sp. ? 



Spirifer disjunctus Sowerby 



Athyris polita Hall 



Camarotoechia allegania Williams 



C. sappho Hall 



Oehlertella pleurites Meek 



Orthothetes cf. crenistria Phillips 



Aviculopecten ? 



A. sp. ? 



pararca transversa Hall 



Mytilarca simplex Hall 



Grammy sia cf. hannibalensis Shumard 



Allerisma ? 2, sp. nov. ? 



Palaeanatina typa Hall 



Schizodus chemungensis ? Hall 



Orthoceras sp.? 



Leptodesma orodes Hall 



L. curvatum Hall 



L. maclurii Hall 



L. sp. ? 



L. mytiliforme 



Liopteria sp. ? 



Ptychopteria sp. ? 



Camarotoechia cf. allegania Williams 

 Ptychopteria ? 



CARBONIC 



Zone 2, Olean conglomerate 



| Sphenotus contractus ? 



