284 



FOSSIL VERTEBEATA OF NORTH AMERICA. 



[BULL. 179. 



PSAMMODONTID.E. 



Koninck, L. G. de 1878 A, pp. 29, 30. 

 Davis, J. W. 1883 A, pp. 431, 459. 

 Jaekel, O. 1895 B. 



1898 A, p. 49 (with subfams. Psammondon- 

 tinse, Helodontinse, and Psephodontinae. 



Nicholson and Lydekker 1889 A, p. 934. 

 St. John and Worthen 1883 A, p. 197. 

 Woodward, A. S. 1889 D, p. 91. 



1898 B, p. 60. 

 Zittel, K. A. 1890 A, p. 95. 



PSAMMODUS Agassiz. Type P. rugosws Agassi?,. 



Agavfis, L. 1843 B (1838), iii, p. 103. 



1844 A. 



Davis, J. W. 1883 A, p. 459. 

 Giinther, A. 1872 A, p. 519. 

 Koninck, L. G. de 1844 A, p. 616. 



1878 A, p. 41. 

 McCoy, F. 1855 A, p. 643. 

 Miller, S. A. 1889 A, p. 608. 

 Newberry and Worthen 1866 A, p. 107. 

 Nicholson and Lydekker 1889 A, p. 935. 

 Owen, R. 1845 B, p. 69, pis. xvii, xx, xxi. 

 Pictet, F. J. 1854 A, p. 266. 

 Quenstedt, F. A. 1885 A, p. 293. 

 St. John and Worthen 1883 A, p. 197. 

 Steinmann and Doderlein 1890 A, p. 549. 

 Trautschold, H. 1874 B, p. 288. 

 Woodward, A. S. 1889 D, p. 99. 

 Zittel, K. A. 1890 A, p. 95. 



Psammodus angularis Newb. and 

 Worth. 



Newberry and Worthen 1866 A, p. 107, pi. xi, figs. 



2-26. 

 Lesley, J. P. 1889 A, p. 784, figures (P. angularis); 



p. 787, figures (P. porosus?). 



Miller. S. A. 1889 A, p. 609, fig. 1164. (P. porosus. ) 

 Newberry and Worthen, 1866 A, p. 107, pi. xi, figs. 



1-16. ( " P. porosus Ag.? " ) . 

 St. John and Worthen, 1883 A, p. 222. 

 Woodward, A. S. 1889 D, p. 107. 



Subcarboniferous (Chester); Illinois. 



Psammodus antiquus Newb. 

 Newberry, J. S. 1857 C, p. 124. 



1873 A, p. 265. 



Woodward, A. S. 1889 D, p. 459. 

 Devonian (Corniferous); Ohio. 



Psammodus ceelatus St. J. and Worth. 



St. John and Worthen 1883 A, p. 217, pi. xviii, 



flg.l. 



Hambach, G. 1890 A, p. 81. 

 Lesley, J. P. 1889 A, p. 784, figures. 

 Woodward, A. S. 1889 D, p. 107. 



Subcarboniferous (St. Louis); Iowa, Missouri 

 (fide Hambach). 



Psammodus crassidens St. J. and 

 Worth. 



St. John and Worthen, 1883 A, p. 218, pi. xvlil, 



figs. 2-6; text figs. a-c. 

 Lesley, J. P. 1889 A, p. 784, figures (P. crassidens) 



p. 788, figures (P. rugosus). 



1895 A, pi. ecxxxi. 

 Miller, S. A. 1889 A, p. 608, fig. 1163. 



Newberry and Worthen 1866 A, p. 108, pi. xi, figs. 



3, 3a. (P. rugosus, not of Agassiz.) 

 Woodward, A. S. 1889 D, p. 107. 



Subcarbonferous (St. Louis) : Illinois, Iowa. 



Psammodus glyptus St. J. and Worth. 

 St. John and Worthen 1883 A, p. -209, pi. xiv, figs. 



6,6. 



Kindle, E. M. 1898 A, p. 485. 

 Lesley, J. P. 1889 A, p. 786, figures. 



1895 A, pi. ecxxxi. 



Newberry, J. S. 1889 A, p. 210, pi. xix, figs. 7,8. 

 Woodward, A. S. 1889 D, p. 107. 



Subcarboniferous (Burlington); Illinois. 



Psammodus grandis St. J. and Worth. 

 ,S<. John and Worthen 1883 A, p. 211, pi. xv, figs. 



1-3. 

 Lesley, J. P. 1889 A, p. 786, figures. 



1895 A, pi. ecxxxi. 

 Woodward, A. S. 1889 D, p. 107. 



Subcarboniferous (Keokuk); Iowa. 



Psammodus lovianus St. J. and Worth. 

 St. John and Worthen 1883 A, p. 207, pi. xiv, figs. 



7-9. 

 Lesley, J. P. 1889 A, p. 786, figures. 



1895 A, pi. ecxxxi. 

 Woodward, A. S. 1889 D, p. 108. 



Subcarboniferous (Burlington); Illinois, 

 Iowa. 



Psammodus plenus St. J. and Worth. 

 St. John and Worthen 1883 A, p. 213, pi. xvi, figs. 



1-4; pi. xvii, figs. 1^. 

 Keyes, C. R. 1894 A, p. 235. 

 Lesley, J. P. 1889 A, p. 786, figures. 



1895 A, pi. ccxxxii. 

 Woodward, A. S. 1889 D, p. 108. 



Subcarboniferous (St. Louis); Missouri, Illi- 

 nois, Michigan. 



Psammodus reticulatus Newb. and 



Worth. 

 Newberry and Worthen 1866 A, p. 109, pi. xi, figs. 



5, 5a. 



Hambach, G. 1890 A, p. 81. 

 Koninck, L. G. de!878 A, p. 42. (P. porosus?). 

 Lesley, J. P. 1889 A, p. 788, figure. 



1895 A, pi. ecxxxi. 

 St. John and Worthen 1883 A, p. 224, pi. xix, figs. 



3,5. 

 Woodward, A. S. 1889 D, p. 108. 



Subcarboniferous (Chester); Illinois, Mis- 

 souri (fide Hambach). 



