8o8 NEW YORK STATE MUSEUM 



HYOLITHUS Eichwald 



Hyolithus neapolis Clarke 



5114 i-i-p-S- PLASTOTYPE Hyolithus neapolis Clarke. United 



States geological survey bulletin 16. 1885. p. 56, pi. 3, 



fig. 4, 5- 



Portage (Naples) beds Parrish gully, Naples, 



Ontario co. N. Y. 

 CEPHALOPODA 



CYRTOCERAS GoldfuSS 



Cyrtoceras cf. brevicorne Hall 



5115 i-2-J-i.a HYPOTYPE Cyrtoceras brevicorne Hall. 2oth 



annual report of the New York state cabinet of natural 

 history. 1867. p. 356. 



Cyrtoceras cf. brevicorne Clarke & Ruede- 

 mann. New York state museum memoir 5. 1902. 

 p. 89, pi. 13, fig. 12. 



Lower Shelby dolomite Near Shelby, Orleans co. N. Y. 

 R. Ruedemann and D. D. Luther, coll. 1902 



Cyrtoceras erodes Billings 



5116 JJLjj-L HYPOTYPE Cyrtoceras orodes Billings. Paleozoic 



fossils. 1865. 1:162. 



Clarke & Ruedemann. New York state museum 

 memoir 5. 1902. pi. 15, fig. 4, 5. 



Lower Shelby dolomite Near Shelby N..Y. 



R. Ruedemann and D. D. Luther, coll. 1902 



tj IT y i-LL HYPOTYPE? Clarke & Ruedemann New York state 



museum memoir 5. 1902. pi. 15, fig. 10, u. 



v / Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll. 1902 



CYRTORHIZOCERAS Hyatt 



Cyrtorhizoceras curvicameratum Clarke & Ruedemann 

 5118 i*-J TYPE Cyrtorhizoceras curvicameratum Clarke 

 & Ruedemann. New York state museum memoir 5. 

 1902. p. 90, pi. 17, fig. i-37- 



Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll. 1902 



5 up iaiifi. TYPE Clarke & Ruedemann. New York state museum 

 memoir 5. 1902. pi. 17, fig. 4, 6. 



Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll. 1902 



