ORISKANY FAUNA OF BECKAFT MOUNTAIN 6,9 



Spirorbis assimilis C. 



Comulites cingulatus J7.— idem, Helderbergian, N. Y. 



Tentaeulites elongatus ^.— idem, Helderbergian, N. T. 



T. (?) acus C. 



Bellerophon sp. 



Cyrtolites expansus ZT.— idem, arenaceous Oriskany, N. Y. and Pa. 



Pleurotomaria sp. 



Diaphorostoma desmaUim C. — D. ventricosum Conrad, arenaceous Oriskany, N. Y. 



D. ventricosum Conrad — -idem, arenaceous Oriskany, N. Y. 

 Strophostylus expansus Conrad — idem, Oriskany, Md. 

 Orthonychia tortuosa H. — idem, arenaceous Oriskany, N. Y. 

 Platyceras cf. gebhardi H. — idem, Oriskany, Md. 



P. nodosuiii Conrad — idem, arenaceous Oriskany, N. Y. 



Pterinea ? — Megambonia lamellosa II., arenaceous Oriskany, N. Y. 



Pterinopecten subequilatera H. — idem, Helderbergian, N. Y. 



Pterinopecten proteus C. 



Pt. siguatus C. — Pt. terminalis H., Ulsterian, N. Y. 



Pt. bellulus II., Helderbergian, N. Y. 

 Pt. pumilus C. — Vertumnia, Mesodevonic 

 Aviculopecten sp. 

 Lyriopecten sp. 



Actinopteria communis H. — idem and A. textilis H., Helderbergian, N. Y. 

 A. insignis G. — A. communis II., Helderbergian, N. Y. 

 Goniophora sp. 

 Megambonia crenistriata C. — M. bellistriata H., Helderbergian, N. Y. 



M. cardiiformis II., Onondaga limestone, N. Y. 

 Cypricardinia indenta Conrad — idem, Onondaga limestone and Hamilton, N. Y. 



C. lamellosa H., Helderbej'gian, N. Y. 

 Conocardium inceptum K. — idem, Helderbergian, N. Y. 

 Oriskania sinuata C. — O. navicella R. & C, Oriskany, N. Y. 

 Cryptonella fausta C. — idem (?), Helderbergian, N. Y. 

 Kensselaeria ovoides Eaton — idem, arenaceous Oriskany, N. Y. and Md. 

 Megalanteris ovalis ^.— idem, arenaceous Oriskany, N. Y. 

 Eatonia medialis Van. — idem, Helderbergian, N. Y. 



E. peculiaris Conrad — idem, Helderbergian and arenaceous Oriskany, N. Y. 

 Camarotoechia barrandii H. — idem, arenaceous Oriskany, N. Y. 



C. litcliana 11. (?)— idem, arenaceous Oriskany, N. Y. 

 0. oblata H. — idem, arenaceous Oriskany, N. Y. 



