994 



NEW YORK STATE MUSEUM 



P. proto Hall 

 P. salamanca Hall 

 P. elongata Hall 

 Palaeanatina typa Hall 



Schizodus sp. ? 

 Sphenotus clavulus Hall 

 Gomphoceras sp. ? 

 Orthoceras sp. ? 



Zone 7 



Spirifer disjunctus Sowerby 

 Camarotoechia contract a Hall 

 Lingula sp. ? 



Oehlertella pleurites Meek 



Orthothetes crenistria*? Phillips 



Aviculopecten patulus*#aM 



Leptodesma sp. ? 



Modiola praecedens Hall 



Ptychopteria sp. ? 



P. proto Hall 



P. salamanca Hall 



P. sp. ? 



P. elongata ? Hall 

 Palaeanatina typa Hall 

 P. solenoides Hall 



Zone 6, Salamanca 



Spirifer disjunctus Sowerby 

 Camarotoechia contracta Hall 

 C. sappho Hall 

 Crenipecten winchelli Meek 

 Leptodesma orodes Hall 

 L. curvatum Hall 

 L. macluri Hall 

 L. sp. ? 



Modiola praecedens Hall 

 Pararca transversa Hall 

 P. elliptica Hall 

 P. transversa Hall 



Schizodus rhombeus ? Hall 

 Sphenotus clavulus Hall 

 S. cf. arcuatus Hall 

 Grammysia sp. ? 

 Orthoceras sp. ? 

 Bellerophon sp ? 

 Straparollus sp. ? 

 Tropidocyclus ? 

 Strophostylus ? 

 Bothriolepis minor ? 

 B. sp. ? 



Ctenodus flabelliformis Newberry 

 Holoptychius americanus 

 Gyracanthus sherwoodi Newberry 



conglomerate lentil 



Allerisma ? n. sp. 

 Ptychopteria proto Hall 

 P. salamanca Hall 

 P. sp. ? 



P. elongata %Hall 



Palaeanatina typa Hall 



Schizodus chemungensis var. quadran- 



gularis Hall 

 S. sp. 



Sphenotus aeolus Hall 

 Orthoceras sp. ? 

 Straparollus sp. ? 



Zone 5 



Ptychopteria perlata ? Hall 

 Pterinopecten suborbicularis ? Hall 

 Sphenotus clavulus Hall 



S. contractus Hall 

 Orthoceras sp. ? 

 i Agelacrinites buttsi Clarke 



SUBCARBONIC 



Oswayo formation 



Zone Jf, limestone lentil 



Spirifer disjunctus Sowerby \ Camarotoechia alleganiajTritftanrs 



