754 NEW YORK STATE MUSEUM 



pseudosphaerexochus Schmidt 



Pseudosphaerexochus trentonensis Clarke 



4766 -i-M^-2- type Pseudosphaerexochus trentonensis 



Clarke. Geology of Minnesota. 1897. v. 3, pt 2 of the 

 final report; Paleontology, p. 735, fig. 53, 54. 



Trenton limestone Trenton Falls, Oneida co. N. Y. 



W. P. Rust purchase 

 pterygometopus Schmidt 



Pterygometopus eboraceus Clarke 



4767 --f- 2 - 2 - type Pterygometopus eboraceus Clarke. 



Geology of Minnesota. 1897. v. 3, pt 2 of the final report; 

 Paleontology, p. 728, fig. 48. 



Trenton limestone Rawlins Mills, Saratoga co. N. Y. 



W. P. Rust purchase 



4768 ^ 4 <> 60 hypotype Ruedemann. New York state museum bulletin 



49. 1901. pi. 4, fig. 15. 



Trenton conglomerate Rysedorph hill, 



Rensselaer co. N. Y. 

 R. Ruedemann, coll. 1900 



pterygotus Agassiz 



Pterygotus buffaloensis Pohlman 



4769 J^^ hypotype Pterygotus buffaloensis Pohlman. 



Buffalo society of natural history bulletin. 1883. 4:17. 



Clarke. Eastman's Zittel. Textbook of paleontology. 

 1900. v. 1, pt 2, p. 678, fig. 1425. 



Rondout waterlime Buffalo N. Y . 



Ward and Howell purchase 



Ptychoparia trilineata see Conocoryphe tri- 

 lineata 



Ptychoparia trilineata see Solenopleura ? 

 nana 



REMOPLEURIDES Portlock 



Remopleurides (Caphyra) linguatus Ruedemann 



4770 iAJJLQ. type Remopleurides (Caphyra) linguatus 



Ruedemann. New York state museum bulletin 49. 1.90 1. 



P. 56,^-3, fi g- 21-23. 

 Trenton conglomerate 



Rysedorph hill, Rensselaer co. N. Y. 

 R. Ruedemann,' coll. 1900 



