TYPE SPECIMENS OF PALEOZOIC FOSSILS 



497 



Pterinea securiformis Hall 



3051 type Avicula securiformis Hall. Paleontology 



of New York. 1852. 2:331, pi. 75, fig. 4. 



Coralline (Cobleskill) limestone Schoharie N. Y. 



3052 97 2 59 type Hall. Paleontology of New York. 1852. v. 2, 



pl- 75' % 5 b - 



Coralline (Cobleskill) limestone Schoharie N. Y. 



Pterinea ? suborbicularis see Pterinopecten 

 suborbicularis 



Pterinea triqueter see Gosselettia triquetra 

 Pterinea undata see Clionychia undata 



PTERINOPECTEN Hall 



Pterinopecten conspectus Hall 

 3°53 type: plastotype Pterinopecten conspectus 



Hall. Paleontology of New York. 1883. v. 5, pt 1, 

 plates and explanations, pl. 17, fig. 17. 



Hall. Paleontology of New York. 1884. v. 5, pt i t 

 pl. 17, fig. 17. 



Hamilton beds Skaneateles lake, N. Y. 



G. B. Simpson, coll. 1863 

 3054 type Hall. Paleontology of New York: 1883. v. 5, 



pt 1, plates and explanations, pl. 17, fig. 18. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pl. 17, fig. 18. 



Hamilton beds Skaneateles lake, N. Y. 



G. B. Simpson, coll. 1863 

 3° 5 5 -"V^ type Hall. Paleontology of New York. 1883. v. 5, 

 pt 1, plates and explanations, pl. 17, fig. 20. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pl. 17, fig. 20. 



Hamilton beds Darien, Genesee co. N. Y. 



C. A. White, coll. i860 



3056 &3J£. type Hall. Paleontology of New York. 1883. v. 5, 

 pt 1, plates and explanations, pl. 17, fig. 21. 



Hall. Paleontology of New York. 1884. v. 5, pt r, 

 pl. 17, fig. 21. 



Hamilton beds Fall brook near Skaneateles lake, N. Y. 



G. B. Simpson, coll. 1863 



