ORISKANY FAUNA OF BECKAFT MOUNTAIN 69 



Spirorbis assimilis C. 



Cornulites cingulatus II. — idem, Helderbergian, N. Y. 



Tentaculites elongatus H. — idem, Helderbergian, N. Y. 



T. (?) acus C. 



Bellerophon sp. 



Cyrtolites expausus II.— idem, arenaceous Oriskany, N. Y. and Pa. 



Pleurotomaria sp. 



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



D. ventricosnm Conrad — idem, arenaceous Oriskany, N. Y. 

 Strophostylus expansus Conrad — idem, Oriskany, Md. 

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

 Platyceras cf. gebbardi II. — idem, Oriskany, Md. 



P. nodosum 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. signatus C. — Pt. terminalis H., Ulsterian, N. Y. 



Pt. bellulus //., Helderbergian, N. Y. 

 Pt. pumilus C. — Vertumnia, Mesodevonic 

 Aviculopecten sp. 

 Lyriopecten sj>. 



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

 A. insignis C. — A. communis H., Helderbergian, N. Y. 

 Goniophora sp. 

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



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

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



C. lamellosa II, Helderbergian, N. Y. 

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

 Oriskania sinuata C. — O. navicella H. dk C, Oriskany, N. Y. 

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

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

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

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



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

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



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

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



