76 U.S. NATIONAL MUSEUM BULLETIN 262 



Kirkoceras — Continued 



gracile Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 47, pi. 24, figs. 1-4. 

 Holotype 108249 



Manitou Ls. Colorado 



? missisquoi (Billings) 



Ulrich, E. O.. et al., 1943: p. 47, 48, pi. 26, figs. 11-16. 

 Hypotypes 108250a-y 



Hastings Creek Fm. Quebec, Canada 



obliquum Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 48, 49, pi. 70, figs. 15, 16. 

 Holotype 108251 



Manitou Ls. Colorado 



Knightoceras 



kempae Miller and Youngquist 



Miller, A. K., and Youngquist, Walter, 1949: p. 38, 39, pi. 55, fig. 1. 



Paratype (a hypotype of (Nautilus (Tem- 

 nocheilus) winslowi (Meek and Worthen) 

 in White, 1891 21719 



Clyde Fm. Texas 



oxylobatum Miller and Downs 



Miller, A. K.. and Downs, R. H., 1948: p. 676, 677, pi. 101, figs. 1-4. 

 Holotype 119617 



Winslow Fm. Arkansas 



pattoni Gordon 



Gordon, Mackenzie, Jr., 1957: p. 27, 28, pi. 3, figs. 5-8; text-fig. 8. 

 Holotype and paratypes 118947,120676 



Alapah Ls., black chert and 

 shale mbr. Alaska 



sp. 



Gordon, Mackenzie, Jr., 1957: p. 28, pi. 3, fig. 9. 

 Figured specimen 118948 



Alapah Ls. ? Alaska 



Kochoceras 



cuneiforme Troedsson 



Miller, A. K., et al., 1954: p. 72, pi. 15, fig. 2; pi. 32, fig. 5; pi. 34, 



figs. 1, 2; pi. 35, figs. 1-3. 

 Hypotypes 124675, 124687, 124692, 



124694 

 Upper Ordovician Baffin Island, Canada 



