TYPE SPECIMENS OF PALEOZOIC FOSSILS 67! 



Ceraurus pleurexanthemus Green 



4203 J^JAi TYPE Ceraurus pi cure xan them us Green. Mon- 



ograph of the trilobites of North America. 1832. p. 84, 

 pi. i, fig. 10 ; original of cast no. 33. 

 Trenton limestone Newport, Herkimer co. N. Y. 



Albany Institute, donor 

 CONOCORYPHE Corda 



Conocoryphe trilineata Emmons (sp.) 



4204 ^-2-p~a PLASTOTYPE Atops trilineatus Emmons. Taconic 



system. 1844. p. 20, fig. 8 (ist specimen). 



Emmons. Agriculture of New York. 1846. 1:64, fig. 8 

 (ist specimen). 



Ptychoparia trilineata Walcott. United 

 States geological survey bulletin 30. 1886. pi. 27, fig. i. 



Conocoryphe trilineata Walcott. loth annual 

 report of the United States geological survey. 1886. 

 pi. 95, fig. 5. 



Lower Cambric Reynold's Inn, Washington co. N. Y. 



S. W. Ford purchase 



4205 i-Sfso. HYPOTYPE Walcott. United States geological survey bul- 



letin 30. 1886. pi. 27, fig. ia (figure based on two 

 specimens). 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 

 CORDANIA Clarke 



Cordania sp. nov. see Cordania becraftensis 



Cordania arenicola Hall & Clarke (sp.) 



4206 13 f 8 ^- PLASTOTYPE Phaethdnidcs arenicolus Hall & 



Clarke. Paleontology of New York. 1888. 7:134, pi. 25, 

 fig. 12. 



Schoharie grit Schoharie N. Y. 



Cordania becraftensis Clarke 



4207 i|.ii. TYPE Cordania sp. nov. Clarke. American journal of 



science. 1892. 44:412. 



Cordania hudsonica (in error) Clarke. New 

 York state museum memoir 3. 1900. pi. 2, fig. 17. 



Oriskanian Becraft mountain, Hudson N. Y. 



4208 13 | 81 TYPE-. PLASTOTYPE Cordania becraftensis Clarke. 



New York state museum memoir 3. 1900. p. 22, pi. 2, 

 fig. 19. 



Oriskanian Becraft mountain, Hudson N. Y. 



