552 



FOSSIL VEBTEBRATA OF NORTH AMF.RIO/ 



[BULL. 179. 



Steropoides infelix nom. nov. 

 Hitchcock, C. H. 1889 B, p. 118. (Tridentipes ele- 



gantior. ) 

 Hitchcock, E. 1853 A, p. 90, pi. xv, fig. 3; pi. xlv, 



fig. 1. (Trideiitipes elegantior, not Steropezoum 



elegan tiu.s, 1848.) 

 Triassic; Massachusetts. 



Steropoides ingens E. Hitch. 



Hitchcock, E. 1845. B, p. 24. (S. ingens, Sillima- 



1 1 i 1 1> adamsanus. ) 



Cook, Q. H. 1885 A, p. 96. (Tridentipes.) 

 Giebel,C.G.1847B,p. 35 (Ornithichniteh Ingens); 



p. 36 (O. danse.) 



Hitchcock, C. H. 1889 B, pp. 118, 122. (Triden- 

 tipes.) 



Hitchcock, E. 1836 A, p. 319. (Ornithichnites.) 

 1841 A, p. 490, pi. xl, fig. 37. (Ornithoid- 



ichnites.) 



1844 A, p. 306, pi. iii, fig. 5. (O. danse.) 

 1848 A, p. 182, pi. v, fig. 1 (Steropezoum 

 ingens); p. 191, pi. vii, fig. 5 (Ornithopus 

 adamsanus). 



1858 A, p. 89, pi. xv, fig. 1. (Trideutipes.) 

 Lesley, J. P. 1890 A, p. 1211, figure. (Tridentipes. ) 



TARSODACTYLUS E. Hitch. 

 Hitchcock, E. 1858 A. p. 98. 



Tarsodactylus caudatus E. Hitch. 



Hitchcock E. 1858 A, p. 99. 

 Deane, J. 1861 A, p. 54, pi. xxxv. 

 Hitchcock, C. H. 1889 B, p. 118. 

 Triassic; Massachusetts. 



Pictet, F. J. 1853 A, p. 406. (Ornithichnites.) 

 Quenstedt, F. A. 1852 A, p. 82. (Ornithichnites.) 

 Triassic; Massachusetts, New Jersey. 



Steropoides loripes (E. Hitch.). 



Hitchcock, E. 1848 A, p. 193, pi. vii, fig. 3. (Or- 

 nithopus.) 

 Hitchcock, C. H. 1889 B, p. 118. (Tridentipes 



insignis.) 



Hitchcock, E. 1841 A, p. 495, pi. xliv, figs. 36, 37; 

 pi. xlviii, fig. 63. (Ornithoidichnites divarica- 

 tus.) 



1858 A, p. 91, pi. xv, fig. 4; pi. xlv, fig. 3; pi. 



xlvii, fig. 2. (Tridentipes insignis.) 

 Lesley, J. P. 1890 A, p. 1211, figure. (Tridentipes.) 

 Triassic; Massachusetts. 



Steropoides uncus (E. Hitch.). 

 Hitchcock, E. 1858 A, p. 91, pi. xv, fig. 6; pi. xlvi, 



fig. 1. (Tridentipes.) 



Hitchcock, C. H. 1889 B, p. 118. (Tridentipes 

 uncus?) 



1863 B, p. 85. (T. uncus, doubtful species.) 

 Hitchcock, E. 1865 A, p. 20. (Tridentipes.) 

 Triassic; Massachusetts. 



Type T. caudatus E. Hiteh. 

 Tarsodactylus expansus C H. Hitch. 



Hichcock, C. H. 1866 A, p. 301. 



1889 B, p. 118. 

 Triassic; Massachusetts. 



s King. Type not named; T. leptodactylus may be assumed. 



King, A. T. 1844 A, p. 177. 



Amer. Jour. Science 1845 C. (Spheropezium.) 



Hitchcock, E. 1848 A, p. 218. 



King, A. T. 1845 A, p. 343. (Spheropezopus.) 



1845 C. (Spheropezium. ) 

 Lyell, C. 1846 A, p. 25. (No name.) 

 Miller, S. A. 1889 A, p. 626. (Sphseropezium, 



Thenaropus. ) 

 Zittel, K. A. 1890 B, p. 411. 



The tracks assigned to this genus are regarded 



by Lyell as being artifacts. 



Thenaropus leptodactylus King. 

 King, A. T. 1844 A, p. 177, fig. 3. 

 Amer. Jour. Science 1845 C, p. 345. (Sphero- 

 pezium.) 

 King, A. T: 1845 A, p. 345, fig. 3. (Spheropezopus. ) 



1845 C, p. 216, fig. 2. (Spheropezium.) 

 Coal-measures; Pennsylvania. 



Thenaropus ovoidactylus King. 

 King, A. T. 1844 A, p. 178, fig. 7. 



Amer. Jour. Science 1845 C, p. 347. (Spheropez- 

 ium.) 



King, A. T. 1845 A, p. 347, fig. 6. (Spheropezopus.) 

 Coal-measures; Pennsylvania. 



Thenaropus pachydactylus King. 

 King, A. T. 1844 A, p. 177, fig. 4. 

 Amer. Jour. Science 1845 C, p. 346. (Spheropez- 

 ium.) 

 King, A. T. 1845 A, p. 346, fig. 4. (Spheropezopus.) 



1845 C, p. 216, fig. 1. (Spheropezium.) 

 Coal-measures; Pennsylvania. 



Thenaropus sphserodactylus King. 



King, A. T. 1844 A, p. 177, figs. 5,6. 



Amer. Jour. Science 1845 C, p. 346. (Spheropezium 



thserodactylum. ) 



King, A. T. 1845 A, p. 346, figs. 5a, 56. (Spherope- 

 zopus thserodactylum. ) 



1845 C, fig. 3. (Spheropezium thserodacty- 

 lum.) 

 Coal-measures; Pennsylvania. 



THINOPUS Marsh. Type T. antiquus Marsh. 



Marsh, O. C. 1896 G. p. 374. 



Thinopus antiquus Marsh. 



Marsh, 0. C. 18% G, p. 374, figure. 



Devonian; Pennsylvania. 



