BUFFALO SOCIETY OF NATURAL SCIENCES 15 



PtyctodontidcB 



Ptyctodus calceolus Newberry & Worthen 

 Ptyctodus compressus Eastman 

 Ptyctodus howlandi, n. sp. 

 Ptyctodonts indet. [plates and tritors] 

 Rhynchodus telleri, n. sp. 

 Rhynchodus ornatus, n. sp. 

 Palceomylus lunaformis, n. sp. 

 Palceomylus sp. 

 Dermal plates [gen. and sp. indet.] 



Elasmobranchii 



Cladodus urbs-ludovici Eastman 

 Acanthodia indet. [fin-spines] 

 Dittodus priscus (Eastman) 

 Dittodus striatus (Eastman) 

 Dittodus grabaui, n. sp. 

 Synthetodus calvini Eastmaii 

 Orodus devonicus, n. sp. 



Ichthyodorulites 



Anodontacanthus pusillus, n. sp. 



Ctenacanthus wrighti Newberry 



Ctenacanthus sp. 



Gyr acanthus sp. 



Machoer acanthus peracutus Newberry 



Stethacanthus pr occur sor, n. sp. 



Dipneusti 



Dipterus gemmatus, n. sp. 

 Dipterus sp. 



Crossopterygii 



Onychodus sigmoides Newberry 



Actinopterygii 

 Ganoid tooth [indet.] 



