NO. 5 CHECK-LIST OF FOSSIL BIRDS WETMORE 5 



Family BAPTORNITHIDAE ^ : Baptornithes 

 Genus BAPTORNIS Marsh 



Baptornis Marsh, Amer. Journ. Sci., ser. 3, vol. 14, 1877, p. 86. Type, by 

 monotypy, Baptornis advenus Marsh. 



Baptornis advenus Marsh 



Baptornis advenus Marsh, Amcr. Journ. Sci., ser. 3, vol. 14, 1877, p. 86. 



Upper Cretaceous (Niobrara formation) : Wallace County (type 

 locality), and Butte Creek, Logan County, Kansas. 



Superorder ICHTHYORNITHES : Ichthyornis and Allies 



Order ICHTHYORNITHIFORMES : Ichthyornis and Allies 



Family ICHTHYORNITHIDAE : Ichthyornithes 



Genus ICHTHYORNIS Marsh 



Ichthyornis Marsh, Amer. Journ. Sci., ser. 3, vol. 4, November 1872, p. 344. 

 Type, by monotypy, Ichthyornis dispar Marsh. 



Ichthyornis agilis (Marsh) 



Craculavus agilis Marsh, Amer. Journ. Sci., ser. 3, vol. 5, 1873, p. 230. 



Upper Cretaceous (Niobrara formation) : Butte Creek, Logan 

 County, Kansas. 



Ichthyornis anceps (Marsh) 



Graculavus anceps AIarsh, Amer. Journ. Sci., ser. 3, vol. 3, 1872, p. 364. 



Upper Cretaceous (Niobrara formation) : North Fork Smoky Hill 

 River, Logan County, about 12 miles east of Wallace, Kansas. 



Ichthyornis dispar Marsh 

 Ichthyornis dispar Marsh, Amer. Journ. Sci., ser. 3, vol. 4, 1872, p. 344. 



Upper Cretaceous (Niobrara formation) : Near Solomon River, 

 Kansas. 



Ichthyornis lentus (Marsh) 



Graculavus lentus Marsh, Amer. Journ. Sci., ser. 3, vol. 14, 1877, p. 253. 



Upper Cretaceous : Near McKinney, Texas. 



2 Lambrecht, Handb. Palaeorn., 1933, pp. 258-260, unites this with the family 

 Enaliornithidae, on what seem insufficient grounds. As suggested by Lucas, 

 Proc. U. S. Nat. Mus., vol. 26, 1903, p. 555, Baptornis probably belongs in a 

 distinct order. 



