68 U.S. NATIONAL MUSEUM BULLETIN 262 



Euryrizoceras - - Continued 



plenum Foerste 



Foerste, A. F., 1930b: p. 85, pi. 11, figs. 5a,b. 

 Holotype and paratype 81440 



Port Byron Dol. Illinois 



Eurystomites 



avensis Ulrich, Foerste, Miller, and Furnish 



Ulrich, E. O., et al., 1942: p. 60, 61, pi. 20, fig. 1. 

 Holotype and paratype 101397, 101430 



Cotter Fm. Missouri 



bolarensis Ulrich, Foerste, Miller, and Furnish 



1942: p. 61, 62, pi. 36, figs. 4-6; pi. 37, 



Ulrich, E. O., et al., 

 figs. 5, 6; text-fig. 15a. 

 Holotype and paratypes 

 Powell Horiz. 



kellogi (Whitfield) 



101398 

 Virginia 



Hyatt, Alpheus, 1894: p. 442, pi. 5, figs. 4, 5. 

 Hypotypes 25649 



Cassin Ls. Vermont 



Ulrich, E. O., et al., 1942: p. 58, 59. 



Hypotype 



Cassin Fm. 



plicatus ? Whiteaves 



Schuchert, Charles, 1900: p. 173. 



Described specimen (holotype of 



Clmractoceras schucherti 



Foerste, 1928) 

 Trenton 



rotundus 



101396 

 Vermont 



28123 



Baffin Land, Canada 



Hyatt 



Hyatt, Alpheus, 1894: p. 443, pi. 5, figs. 21-25. 

 Holotype 25655 



Quebec Gr. Vermont 



virginiana Hyatt 



Hyatt, Alpheus, 1894: p. 444. 



Holotype 



Cotter Horiz. 



9611 

 Virginia 



Eurystomites 

 or Tarphyceras 



Butts, Charles, 1926: p. 96, pi. 17, fig. 14. 



Figured specimen Campbelloceras 

 brevicameratum ? of Ulrich, Foerste, 

 Miller, and Furnish, 1942) 71455 



Newala Ls. Alabama 



