BEEKMANTOWN AND CHAZY FORMATIONS OF CHAMPLAIN BASIN 5II 



Suborder E. CYRXOCHOANITES 



Division I. ANNULOSIPHONATA 

 Family loxoceratidae 



Genus loxoceras McCoy 



Loxoceras moniliforme Hall (sp.) 



Family acxinoceraxidae 



Genus cyrtactinoceras 

 Cyrtactinoceras boycii WhMeld (sp.) 

 C. champlainense sp. nov. 



Genus gonioceras Hall 

 Gonioceras chaziense sp. nov. 



Division II. ACTINOSIPHONATA 



Family ooceraxidae 



Genus ooceras Hyatt 

 Ooceras kirbyi Whitfield (sp.) 

 O. (?) raei Whitfield (sp.) 

 O. seelyi sp. nov. 

 O. lativentrum sp. nov. 

 O. (?) perkinsi sp. nov. 



Family oncoceraxidab 



Genus cyclostomiceras Hyatt 



Cyclostomiceras cassinense Whitfield (sp.) 

 C. minimum Whitfield (sp.) 



Genus oncoceras Hall 

 Oncoceras pristinum sp. nov. 



Formae incertae sedis 



(Orthoceras) rectiannulatum Hall 

 (O.) repens Billings 

 (O.) catulus Billings 

 (O.) perseus Billings 

 (O.) missisquoi Billings 

 (O.) cato Billings 

 (O.) cataline Billings 

 (O.) sayi Billings 

 CO.) xerxes Billings 

 (O.) tityrus Billings 

 (O.) aristides Billings 

 (Cyrtoceras) beekmanense JVhitficld 

 (C.) confertissimum Whitfield 

 (C.) acinacellum Whitfield 

 (Lituites) imperator Billings 

 (Nautilus) pomponius Billings 



