CANANDAIGUA AND NAPLES QUADRANGLES 



53 



Gastropods 

 Loxonema hainiltoniae Hall 

 Pleurotomaria capillaria Conrad 

 Cyclonema hamiltoniae (?) Hall 

 Bellerophon leda Hall 

 Platyceras bucculentuin Hall 

 P. carinatuin Hall 

 P. symmetricum Hall 

 P. thetis Hall 



Diaphorostoina lineatuin Conrad 



Lamellibranchs 

 Nuculites oblongatus Conrad 

 N. triqueter Conrad 

 Nucula corbuliforinis Hall 

 Palaeoneilo contricta Conrad 

 Conocardium eboraceuin Hall 

 Actinopteria decnssata Hall 

 Aviculopecten exacutus Hall 

 A. princeps Conrad 

 A. scabridus Hall 

 Pterinopecten interniedius Hall 

 P. her mes Hall 

 P. regularis Hall 

 P. conspectus Hall 

 Lyriopecten orbiculatus Hall 

 Modiomorplia alata Conrad 

 Cypricardella bellistriata Conrad 

 Cypricardinia indenta Conrad 

 Nyassa arguta Hall 



Brachiopods 

 Lingnla punctata Hall 

 Lingula sp. ind. 

 Pholidops oblata Hall 

 P. hamiltoniae Hall 

 Crania crenistriata Hall 

 Craniella hamiltoniae Hall 

 Camarotoechia congregata Conrad 

 C. horsfordi Hall 

 C. sappho Hall 

 Trigeria lepida Hall 

 Eunella lincklaeni Hall 

 Tropidoleptus carinatus Conrad 

 Atrypa reticularis Linn. 

 Cyrtina hamiltonensis Hall 

 Spirifer mucronatus Conrad 

 S. audaculus Conrad 

 S. granulosus Conrad 

 S. consobrinus d'Orb. 



S. sculptis Hall 



S. fimbriatus Conrad 



Ambocoelia umbonata Conrad 



Nucleospira concinna Hall 



Athyris spiriferoides Eaton 



Sri-opheodonta concava Hall 



S. demissa Conrad 



S. inequistriata Conrad 



S. junia Hall 



Leptostrophia perplana Conrad 

 Pholidostrophia iowensis Owen. 

 Orthothetes chemungensis pectina- 



ceus Hall 

 O. chemungensis arctistriatus Hall 

 O. bellulus Clarke 

 Chonetes coronatus Conrad 

 C. mucronatus Hall 

 G. scitulus Hall 

 C. deflectus Hall 

 C. robustus Raymond 

 Strophalosia truncate Hall 

 Productella spinulicosta Hall 

 Rhipidomella penelope Hall 

 R. vanuxemi Hall 



Bryozoans 

 Ascodictyum stellatum N. E. 

 Pinacotrypa plana Hall 

 Monotrypa fruticosa Hall 

 Monotrypa sp. und. 

 Fenestella emaciata Hall 

 Reteporina striata Hall 

 Isotrypa sp. und. 

 Hemitrypa cribosa Hall 

 Polypora fistulata Hall 

 P. multiplex Hall 

 Rhombopora tortalinea Hall 

 Streblotrypa hamiltonensis Nich. 

 Ptilodictya plumea Hall 

 Cystodicta incisurata Hall 

 Taeniopora exigua Nich. 

 Acrogenia prolifera Hall 

 Lichenalia stellata Hall 

 Paleschara reticulata Hall 



Corals 



Heliophyllum halli E. d H. 

 Michelinia stylopora Eaton 

 Aulopora serpens Goldf. 

 Ceratopora dichotoma Grabau 

 C. jacksoni Grabau 



