808 NEW YORK STATE MUSEUM 



hyolithus Eichwald 



Hyolithus neapolis Clarke 

 tj j I4 xio.2.2. 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 

 51 15 J^-JJ^ hypotype Cyrtoceras brevicorne Hall. 20th 

 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 orodes Billings 

 tj TI 6 X2.X1X 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 

 r XI y i-2-iii hypotype? Clarke & Ruedemann New York state 

 museum memoir 5. 1902. pi. 15, fig. 10, 11. 



Lower Shelby dolomite Near Shelby N. Y. 



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



CYRTORHIZOCERAS Hyatt 



Cyrtorhizoceras curvicameratum Clarke & Ruedemann 

 c XI g i2.p_Q T ype Cyrtorhizoceras curvicameratum Clarke 

 & Ruedemann. New York state museum memoir 5. 

 1902. p. 90, pi. 17, fig. 1-3, 7. 



Lower Shelby dolomite Near Shelby N. Y. 



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

 5II q JL2I30. 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 



