550 NEW YORK STATE MUSEUM 



Platyceras expansus see Strophostylus expan- 

 sus 



Platyceras gebhardi Conrad 



3383 ifiijLLA- hypotype Platyceras gebhardi Conrad. Annual 



report on the paleontology of New York. 1840. p. 206. 



Clarke. New York state museum memoir 3. 1900. 

 pi. 3, fig. 29. 



Oriskanian Becraft mountain, Hudson N. Y.. 



Platyceras incile Hall 



3384 1 l l ' 2 type Platyceras incile Hall. Paleontology of New 



York. 1859. 3 : 332, pi. 63, fig. 10. 



Helderbergian Schoharie N. Y^ 



3385 ^f— type Hall. Paleontology of New York. 1859. v. $ y 



pi. 63, fig. 12. 



Helderbergian Schoharie N. Y_ 



Platyceras nodosum Conrad 

 33&6 1 Q j 3,3 hypotype Platyceras nodosus Conrad . Annual 

 report on the paleontology of New York. 1841. p. 56. 

 Hall. Paleontology of New York. 1859. v. 3, pi. 115^ 



fig. 2. 



Oriskanian Schoharie N. Y. 



3387 10 1 13 hypotype Hall. Paleontology of New York. 1859. v. 3, 



pi. 116, fig. 1. 



Oriskanian Schoharie N. Y. 



3388 10 | 1? hypotype Hall. Paleontology of New York. 1859. v. 3, 



pi. 116, fig. 2. 



Oriskanian Schoharie N. Y. 



3389 10 | 1? hypotype Hall. Paleontology of New York. 1859. v. 3, 



pi. 116, fig. 3, 4. 



Oriskanian Schoharie N. Y. 



Platyceras perlatum Hall 



3390 - °f 14 hypotype Platyceras perlatum Hall. Paleontol- 



ogy of New York. 1859. 3 : 328, pi. 61, fig. 4a, 4b. 

 Helderbergian Schoharie county, N. Y* 



Platyceras pileiforme Hall 



3391 J^i^- type Platyceras pileiforme Hall. Paleontology 



of New York. 1859. 3 : 332, pi. 61, fig. 3a. 



Helderbergian Schoharie N. Y. 



