54 NEW YORK STATE MUSEUM 



PTYCHONEMA Hall 



Ptychonema tabulatum Hall 



310 **£*. type Chaetetes tabulatus Hall. Illustrations 



of Devonian fossils. Corals. 1876. pi. 37, fig. 16, 17, 

 18, 19. 



Chaetetes? tabulatus Hall. 2d annual report 

 of the New York state geologist. 1883. pi. 9, fig. 12 , 

 J 3> 14, 15- 



Ptychonema tabulatum Hall & Simpson. 

 Paleontology of New York. 1887. v. 6, pi. 9, fig. 12, 

 *3> 14, 15- 



Coralline (Cobleskill) limestone ? Schoharie co. N. Y. 

 ptychophyllum Milne-Edwards & Haime 

 Ptychophyllum striatum Hall 



311 &e±o TYpE Ptychophyllum striatum Hall. 35th 



annual report of the New York state museum. 1884. 

 p. 426, pi. 25, fig. 6, 7, 8. 



Onondaga limestone Cayuga Ont. 



J. DeCew, coll. 1866 



scenophyllum Simpson 



Scenophyllum conigerum Rominger (sp.) 



312 36.80 hypotype Z a p h r e n t i s c o n i g e r a Rominger. Geo- 



logical survey of Michigan. 1876. v. 8, pt 2, p. 149. 



Scenophyllum conigerum Simpson. New 

 York state museum bulletin 39. 1900. p. 211, fig. 30. 



Onondaga limestone Falls of the Ohio, Ky. 



313 H— hypotype Simpson. New York state museum bulletin 39. 



1900. p. 212, fig. 31. 



Onondaga limestone Falls of the Ohio, Ky. 



SCHOENOPHYLLUM Simpson 



Schoenophyllum aggregatum Simpson 



314 ^A type Schoenophyllum aggregatum Simpson. 



New York state museum bulletin 39. 1900. p. 215, fig. 39. 

 St Louis limestone Glasgow Junction, Barren co. Ky. 



315 ^a T Yp E Simpson. New York state museum bulletin 39. 1900. 



p. 215, fig. 40. 



St Louis limestone Glasgow Junction, Barren co. Ky. 



