TYPE SPECIMENS OF PALEOZOIC FOSSILS 5Q7 



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 -i- 2 - 2 - 2 -^ 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. 1860 



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 I2 f 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> P* 2 > P^ 47> fi&- 8- 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



3693 iS-l&fi. TYPE Hall. Illustrations of Devonian Fossils. 1876. 



Cephalopoda, pi. 50, fig. 2. 



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

 pi. 48, fig. i. 



Schoharie grit Schoharie N. Y. 



3694 12 | 25 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 -i- 2 -!- 2 -^- TYPE Hall. Illustrations of Devonian fossils. 1876. 



Cephalopoda, pi. 50, fig. 3. 



