GEOLOGY AND PALEONTOLOGY OF THE SCHOHARIE VALLEY 327 



66 *Ortlioceras masculum Hall 



67 *0. fluctum Hall 

 m *0. cingulum Hall 



69 *0. tantalus Hall 



70 *0. vastator Hall 



71 *0. luxiim Hall (most common and characteristic) 



72 *0. oppletmn Hall 



73 *0. procerus Hall 



74 *0. tetricum Hall 



75 *0. collatum Hall 



76 *0. stylus Hall 

 11 *0. medium Hall 



78 *0. pravum Hall 



79 *0. pervicax Hall 



80 *0. carnosum Hall 



81 *0. rarum Hall 



82 *0. erion Hall 



83 t*0. thoas Hall 



84 *0. multicinctum Hall 



85 *0. duramen Hall 



86 *Gomphoceras fax Hall 



SI *G. illaenus Hall 



88 G. clavatum Hall 



89 "{""Gc. absens i?a?? 



90 *G. beta Hall 



91 *G. rude Hall 



92 *G. ? cruclfer Hall 



93 t*Cyrtoceras morsum i?a?Z 



94 t*C. eugenium Hall 



95 *C. aemulum Hall 



96 *C. jason Hall 



97 *Gyroceras spinosum (Conrad) 



98 *G. validum ifaZZ , 



99 *Trochoceras clio Hall 



100 *T. discoideum Hall 



101 T. biton Hall ' 



102 *T. eugenium Hall 



103 T. orion Ha,ll 



104 *T. ' barrandei Hall 



105 *T. pandion Hall 



106 *T. obliquatum HaZ? 



107 *T. expansum B"aZZ 



Trilobita 



108 J*CalymmeDe platys Green 



109 t*Pliacops cristata Hall 



110 t*Hausmannia concinna Hall & Clarke 



111 Dalmanites (Corycepbalus) regalis Hall 



112 tt*D. (Synphoria) anchiops HaZZ 



113 t*D. (Synphoria) anchiops -uar. armatus iiZaZZ 



114 *D. (Synphoria) anchiops ^ar. sobrinus iJaZZ cfc CZarfce 

 . 115 fAcidaspis callicera Hall & Clarke 



116 t*Lichas (Terataspis) grandis Hall 



111 tlj. (Conolichas) hispidus Hall & Clarke 



118 *Proetus conradi Hall 



119 *P. angustifrons Hall 



120 *P. hesione Hall 



121 tt*P. crassimarginatus Hall 



122 t*Cordama arenicolus Hall and Clarke 



123 t*Cyphaspis minuscula Hall 



