654 



NEW YORK STATE MUSEUM 



4102 H& 



4103 



4104 



4105 



4106 



4107 



TYPE Hall. Paleontology of New York. 1879. v. 5, 

 pt 2, pi. in, fig. 10. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 

 Trochoceras biton Hall 



TYPE Tr o ch o c eras biton Hall. Paleontology of 

 New York. 1879. v. 5, pt 2, p. 395, pi. in, fig. 7. 

 Schoharie grit Clarksville, Albany co. N. Y. 



R. P. Whitfield and C. Van Deloo, coll. 1862 

 Trochoceras clio see Trochoceras (Sphyrado- 

 ceras) clio 



Trochoceras clio see Trochoceras (Sphyrado- 

 ceras) discoideum 



Trochoceras (Sphyradoceras) clio Hall 

 HYPOTYPE Trochoceras clio Hall. i4th annual 

 report of the New York state cabinet of natural history. 

 1861. p. 1 08. 



Hall. Illustrations of Devonian fossils. 1876. Cephal- 

 opoda, pi. 59, fig. 4. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 59, fig. i. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



HYPOTYPE Hall. Illustrations of Devonian fossils. 1876. 

 Cephalopoda, pi. 59, fig. i, 2. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 59, fig. 2, 3. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



HYPOTYPE Hall. Paleontology of New York. 1879. 

 v. 5, pt 2, pi. 59, fig. 4 . 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



HYPOTYPE Hall. Illustrations of Devonian fossils. 1876. 

 Cephalopoda, pi. 59, fig. 7. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 59, fig. 9. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



