TYPE SPECIMENS OF PALEOZOIC FOSSILS 285 



PLATYSTROPHIA King 



Platystrophia biforata Schlotheim (sp.) 



1748 \^ s HYPOTYPE Terebratulites biforatus Schlotheim. 



Petrefactenkunde. 1820. p. 265. 



Platystrophia biforata Hall . & Clarke. 

 Paleontology of New York. 18.92. v. 8, pt i, pi. 56, 

 fig. 10. 



Trenton limestone Trenton Falls N. Y. 



Rust collection 

 PLECTAMBONITES Pander 



Plectambonites productus Hall & Clarke 



1749 ^ TYPE Plectambonites producta Hall & Clarke. 



Paleontology of New York. 1894. v, 8, pt 2, p. 360, 

 pi. 84, fig. 23-25. 



Hall & Clarke. i4th annual report of the New York 

 state geologist. 1895. pi. 6, fig. n, 12. 



Niagaran Yellow Springs O. 



PLETHORHYNCHA Hall & Clarke 



Plethorhyncha barrandii Hall 



1750 &9f- TYPE Rhynchonella barrandi Hall. loth an- 



nual report of the New York state cabinet of natural 

 history. 1857. p. 82. 



Hall. Paleontology of New York. 1859. v. 3, pi. 103, 



fig- 3- 



Oriskanian Schoharie county, N. Y. 



1751 s^.0. TYPE Hall. loth annual report of the New York state 



cabinet of natural history. 1857. p. 83, fig. i, 3; p. 84, 

 fig. 4. 



Hall. Paleontology of New York. 1859. v. 3, pi. 103, 



fig- 5-7- 



Oriskanian Schoharie N. Y. 



POLYTOECHIA Hall & Clarke 

 Polytoechia apicalis Whitfield (sp.) 



1752 S -T^ HYPOTYPE Hemipronites apicalis Whitfield. 



American museum of natural history bulletin. 1886. v. i, 

 no. 8, p. 300. 



Polytoechia apicalis Hall & Clarke. Paleon- 

 tology of New York. 1892. v. 8, pt i, pi. 7 A, fig. 26. 



Beekmantown limestone (Fort Cassin beds) 



Fort Cassin Vt. 



