TYPE SPECIMENS OF PALEOZOIC FOSSILS 67I 



Ceraurus pleurexanthemus Green 



4203 JL£|4i type Ceraurus pleurexanthemus Green. Mon- 



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

 pi. 1, fig. '10 ; original of cast no. $3. 

 Trenton limestone Newport, B:erkimer co. N. Y. 



Albany Institute, donor 

 conocoryphe Corda 



Conocoryphe trilineata Emmons (sp.) 



4204 ±2Asjl plastotype Atops trilineatus Emmons. Taconic 



system. 1844. p. 20, fig. 8 (1st specimen). 



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

 (1st specimen). 



Ptychoparia trilineata Walcott. United 

 States geological survey bulletin 30. 1886. pi. 27, fig. 1. 



Conocoryphe trilineata Walcott. 10th annual 

 report of the United States geological survey. 1886. 



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



S. W. Ford purchase 



4205 i*f ssl 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.) 



42 06 ^fa plastotype Phaethonides arenicolus Hall & 



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

 fig. 12. 



Schoharie grit Schoharie N. Y. 



Cordania becraftensis Clarke 



4207 nffii 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 lAffii type: plastotype Cordania becraftensis Clarke. 



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

 fig. 19. 



Oriskanian Becraft mountain, Hudson N. Y. 



