CANANDAIGUA AND NAPLES QUADRANGLES 



59 



names in roman are of species reappearing in the higher faunas 

 (Cashaqua) ; those in antique not occurring elsewhere. 



Diaphorostoma pugnus Clarke 



Dinicthys newberryi Clarke 



Echinocaris ? longicauda Hall 



Spathiocaris emersoni Clarke 



Cardiocaris 



Manticoceras pattersoni Hall var. 



styliophilum Clarke 

 M. contractum Clarke 

 M. fasciculatum Clarke 

 M. nodifer Clarke 

 Gephyroceras genundewa Clarke 

 Tornoceras uniangulare Conrad var. 



compressum Clarke 

 Orthoceras atreus Hall 

 Styliolina fissurella Hall 

 Tentaculites gracilistriatus Hall 

 Pleurotomari^ genundewa Clarke 

 Bellerophon koeneni Clarke 

 B. denckmanni Clarke 

 Phragmostoma natator Hall 

 Pi incisum Clarke 

 Loxonema noe Clarke 

 Macrocbilina pygmaea Clarke 

 M. seneca Clarke 



Protocalyptraea styliophila Clarke 

 Lunulicardium hemicardioides Clarke 

 L. encrinitum Clarke 

 Pterochaenia fragilis Hall 

 F. sinuosa Clarke 

 Honeoyea styliophila Clarke 

 H. simplex Clarke 

 Ontaria suborbicularis Hall 

 Bucbiola retrostriata v. Buch 

 B. livoniae Clarke 

 B. scabrosa Clarke 

 Paracardium doris Hall 

 P. delicatulum Clarke 

 Lingula spatulata Vanuxem 

 Lingiilipora williamsana Oirty 

 Aulopora annectens Clarke 

 Cordaeoxylon clarkei Dawson 

 Cladoxylon mirabile TJnger 

 Cyclostigma affine Dawson 

 Lepidodendron gaspianum Dawson 

 Li. primaevum Rogers 



Taken as a whole the assemblage is rich and interesting and 

 there are not more favorable opportunities for its examination 

 than are afforded on Oanandaigua lake. Specially noteworthy 

 are the remains of plants of genera and species which have been 

 found elsewhere only in corresponding horizons of Europe. 



West River shale 



In these beds we find a return of the shale fauna beneath 

 (Genesee) with a few additional species. The distinctive char- 

 acters of the division are essentially lithologic. Its fossils are: 



Bactrites aciculum Hall (?) 

 Gephyroceras sp.l 

 Pleurotomaria rugulata Hall 

 Buchiola retrostriata v. Buch 

 Panenka sp. 



Pterochaenia fragilis Hall c 



Lunulicai-dium curtum Hall 

 Lingula spatulata Vanuxem 

 Oruiculoidea lodensis Vanuxem 



Embedded in these shales not far above the Genundewa 

 limestone is a thin and, over the region of this map, continuous 

 limestone which is a mass of the crinoid M e 1 o c r i u u s 



