FAUNAL LISTS OP AMERICAN OZARKIAN TO LOWEST 

 HELDERBERGIAN. 



OZARKIAN FAUNAS. 



OZARKIAN OF UPPER MISSISSIPPI VALLEY. 



(Oneota=O.; Mendota=M.) 

 A rchinacella similis (Whitfield). (M. ) 

 Ascoceras gibberosum Sardeson. (O.) 

 Billingsella coloradoensis (Shumard). (0.) 

 Climactichnites fosteri Todd (Upper Cambrian?). 

 Climactichnites wilsoni Todd (Upper Cambrian?). 

 Cyrtoceras dresbachense Sardeson. (O.) 

 Cyrtoceras loculosum Hall. (0.) 

 Cyrtoceras luthei Calvin. (0.) 

 Cyrtoceras(f) winonicum Sardeson. (O.) 

 Euomphalus winonensis Sardeson. (O.) 

 Hypseloconus recurvus (Whitfield). (M.) 

 Illxnurus convexus Whitfleld. (M.) 

 Lingulella mosia (Hall). (O.) 

 Murchisoniaff putilla Sardeson. (O.) 

 Obolus dolatus (Sardeson). (O.) 

 Ophileta alturensis Sardeson. (O.) " 

 Piloceras corniculum Sardeson. (0.) 

 Platycolpus barabuensis (Whitfield). (M.) 

 Platycolpus eatoni (Whitfleld). (M.) 

 Raphistoma leiosomellum Sardeson. (O.) 

 Raphistoma lewistonense Sardeson. (O.) 

 Raphistoma minncsotense (Owen). (O.) 

 Raphistoma multivolvatum Calvin. (O.) 

 Raphistoma oweni Sardeson. (O.) 

 Raphistoma paucivolvatum Calvin. (O.) 

 Raphistoma pcpinense (Meek). (O.) 

 Scsevogyra elevata Whitfleld. (M.) 

 Scsevogyra obliqua Whitfleld. (M.) 

 Scsevogyra swezeyi Whitfleld. (M.) 

 Sinuopea obesa (Whitfleld). (O.) 

 Sinuopea strongi (Whitfield). (O.) 

 Sinuopea turgida (Hall). (O.) 

 Straparollus clayton&nsis Calvin. (O.) 

 Straparollus intralobatus Sardeson. (O.) 

 Straparollus pristiniformis Calvin. (O.) 

 Tryblidium barabuensis (Whitfleld). (M.) 

 Tryblidium retrorsum (Whitfield). (M. ) 



OZARKIAN OF MIDDLE APPALACHIAN VALLEY. 

 (?UPPER CAMBRIAN) 



(Potsdam= P. ; Kittatinny= K. ; Hoyt= H. ; Cono- 



cocheague=C.) 



A nomocare parvulaW eller. ( K . ) 

 Calvinella newtonensis (W eller). (K.) 

 Climactichnites wilsoni Logan. (P.) 

 Conokephalina whitehallensis (Walcott). (P.) 

 Cryptozoon bassleri Wieland. 

 Cryptozoon proliferum Hall. (H.) 

 Dikclocephalus harti (Walcott). (H.) 

 Dikelocephalus tribulis (Walcott). (H.) 

 Eoorthis newtonensis (W eller). (K.) 

 Hyolithellus papillatus Walcott. (P.) 

 Hyolithes gibbosus Hall and Whitfield. (P.) 



Lingulella (Lingulepis") acuminata (Conrad). 



(H., P.) 



Lingulella prima (Conrad). (P.) 

 Lonchocephalus cakiferus (Walcott). (K., H.) 

 Matherella saratogensis (Walcott). (H. ) 

 Matthevia variabilis Walcott. (H.) 

 Obolus ( Westonia) stoneanus (Whitfield). (K.) 

 Pagodia seelyi Walcott. (P.) 

 Palseacmxa typica Hall and Whitfield. (H.) 

 Pelagiella hoyti (Walcott). (H. ) 

 Pelagiella minutissima (Walcott). (H.) 

 Plethopeltis saratogensis (Walcott). (H., K.) 

 Protichnites alternans Owen. (P.) 

 Protichnites lineatus Owen. (P.) 

 Protichnites logananus (Marsh). (P.) 

 Protichnites multinotatus Owen. (P.) 

 Protichnites septemnotatus Owen. (P.) 

 Ptychaspis speciosus Walcott. (H.) 

 Ptychoparia blairi Weller. (P.) 

 Ptychoparia matheri Walcott. (P.) 

 Ptychoparia minuta (Bradley). (P.) 

 Ptychoparia newtonensis Weller. (K.) 

 Saukia stosei Walcott. (C.) 

 Scolithus canadensis Billings. (P.) 

 Scolithus linearisf Haldeman. (P.) 

 Solenopleura jersey ensis (Weller) . ( K. ) 

 Tryblidium cornutaforme ( W alcott) . (H. ) 



OZARKIAN (LITTLE FALLS) OF NEW YORK. 



Cryptozoon proliferum Hall. (Base of Little Falls.) 

 Helicotoma uniangulata (Hall). (Chert bed at top. ) 

 Holopea dilucula Hall. (Chert bed at top.) 

 Holopea raymondia Cleland. (Chert bed at top.) 

 Holopeaf valuta Cleland. (Chert bed at top.) 

 Lingukpis acuminata Conrad. (Base of Little Falls.) 

 Sinuopea turgida (Hall). (Chert bed at top.) 

 Tryblidium patulum Cleland. (Chert bed at top.) 



OZARKIAN? (ERRATICS IN LEVIS) POINT LEVIS, 

 QUEBEC. 



Acrotreta ovalis Walcott 

 Agnostus americanus Billings. 

 Agnostus canadensis Billings. 

 Agnostus orion Billings. 

 Anacheirurus? apollo (Billings). 

 Anomocarella belli (Billings). 

 Anomocarella oweni (Billings). 

 Anomocarella planifrons (Billings). 

 Apatolcephalus corax (Billings). 

 Arionellusf cylindricus Billings. 

 Arionellus subclavatus Billings. 

 Bathyurellus litoreus Billings. 

 Sathyurellus rarus Billings. 

 Calathium^ pannosum Billings. 

 Conokephalinaf cristata (Billings). 

 Conokephalina megalops (Billings). 

 Cyrtoceras alethes Billings. 



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