TYPE SPECIMENS OF PALEOZOIC FOSSILS 597 



Hall. Paleontology of New York. 1888. v. 5, pt 2, 

 supplement ( =v. 7), pi. 124, fig. 4. 



Onondaga limestone Cherry Valley, Otsego co. N. Y. 



Gyroceras (Halloceras) paucinodus Hall 



3691 -L- 2 --f-2jL type Gyroceras (Hercoceras) paucinodus 



Hall. Illustrations of Devonian fossils. 1876. Cephal- 

 opoda, pi. 55, fig. 1-4. 



Gyroceras paucinodum Hall. Paleontology 

 of New York. 1879. v. 5, pt 2, p. 380, pi. 54, fig. 1-4. 



Onondaga limestone Cherry Valley N. Y. 



C. A. White, coll. i860 



Gyroceras paucinodum see Gyroceras (Hall- 

 oceras) paucinodus 



Gyroceras (Hercoceras) paucinodus see 

 Gyroceras (Halloceras) paucinodus 



Gyroceras spinosum see Gyroceras (Cophin- 

 oceras) spinosum 



Gyroceras (Cophinoceras) spinosum Conrad (sp.) 



3692 1 2 1 25 type Phragmoceras spinosum Conrad. Geo- 



logical survey of New York; paleontological department; 

 3d annual report. 1840. p. 206. 



Gyroceras (Cyrtoceras?) spinosum Hall. 

 Illustrations of Devonian fossils. 1876. Cephalopoda, 

 pi. 46, fig. 8. 



Gyroceras spinosum Hall. Paleontology of 

 New York. 1879. v. 5, pt 2, pi. 47, fig. 8. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



3693 -L2-|~ai. type Hall. illustrations of Devonian Fossils. 1876. 



Cephalopoda, pi. 50, fig. 2. 



Hall. Paleontology of New York. 1879. v - 5> P* 2 > 

 pi. 48, fig. 1. 



Schoharie grit Schoharie N. Y. 



3694 * 2225 type Gyroceras sp. ? Hall. Illustrations of Devo- 



nian fossils. 1876. Cephalopoda, pi. 50, fig. 5. 



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

 pi. 48, fig. 2. 



Schoharie grit Schoharie' N. Y. 



3695 -L^f- 2 --^ type Hall. Illustrations of Devonian fossils. 1876. 



Cephalopoda, pi. 50, fig. 3. 



