550 NEW YORK STATE MUSEUM 



Platyceras expansus see Strophostylus expan- 

 sus 



Platyceras gebhardi Conrad 



3383 ij&fli 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 °\ 1 2 type Platyceras incile Hall. Paleontology of New 



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



Helderbergian Schoharie N. Y. 



3385 type Hall. Paleontology of New York. , 1859. v. 3, 



pi. 63, fig. 12. 



Helderbergian Schoharie N. Y. 



Platyceras nodosum Conrad 



3386 !o.ai3. 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 i_o|xa hypotype Hall. Paleontology of New York. 1859. v. 3^ 



pi. 116, fig. 1. 



Oriskanian Schoharie N. Y. 



3^88 iQgi? hypotype Hall. Paleontology of New York. 1859. v. 3, 

 pi. 116, fig. 2. 



Oriskanian Schoharie N. Y. 



3389 hypotype Hall. Paleontology of New York. 1859. v. 3, 



pi. 116, fig. 3, 4. 



Oriskanian Schoharie N. Y. 



Platyceras perlatum Hall 



339 19 jl* 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 

 lOglg type Platyceras pileiforme Hall. Paleontology 

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



Helderbergian Schoharie N. Y. 



