286 NEW YORK STATE MUSEUM 



1753 80 2 60 hypotype Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt 1, pi. 7A, fig.27. 

 Beekmantown limestone (Fort Cassin beds) 



Fort Cassin Vt. 



1754 ^ § -° hypotype Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt 1, p. 239. fig. 11. 



Beekmantown limestone (Fort Cassin beds) 



Fort Cassin Vt. 

 porambonites Pander 



Porambonites gigas Schmidt 



1755 ■ 8 - Q i :LQ - hypotype Porambonites gigas Hall & Clarke. 



Paleontology of New York. 1894. v. 8, pt 2, pi. 63, 

 fig. 44. 



Lower Siluric (Lykholmer-Schichten) Esthland, Russia 



PRODUCTELLA Hall 



Productella arctirostrata Hall 



1756 80 1 80 type Productus arctirostratus Hall. 10th annual 



report of the New York state cabinet of natural history. 



1857. P- 177- 



Productella arctirostrata Hall. Paleontology 

 of New York. 1867. v. 4, pi. 26, fig. 18. 



Chemung beds Leon, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



t Productella bialveata Hall 



1757 ^Af± type Productella bialveata Hall. Paleontology 



of New York. 1867. v. 4, pi. 26, fig. 24. 



Chemung beds • Meadville Pa. 



C. Van Deloo, cofl. 1863 



1758 ■ § -¥- i type Hall. Paleontology of New York. 1867. v. 4, 



pi. 26, fig. 25. 



Chemung beds Meadville Pa. 



C. Van Deloo, coll. 1863 



1759 9Q 3 81 type Hall. Paleontology of New York. 1867. v. 4, 



pi. 26, fig. 26. 



Chemung beds Meadville Pa. 



C. Van Deloo, coll. 1863 



1760 — 4 — type Hall. Paleontology of New York. 1867. v. 4, 



pi. 26, fig. 27. 



Chemung beds Meadville Pa. 



C. Van Deloo, coll. 1863 



