10 U.S. NATIONAL MUSEUM BULLETIN 262 



Albertoceras - -Continued 



staufferi Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 62, 63, pi. 23, figs. 1-4. 

 Holotype and paratype 109482 



Ellenburger Ls., Gasconade Horiz. Texas 



ref./l. staufferi Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 62, 63, pi. 23, figs. 5-7. 



Figured specimen 109483 



Mons Fm. Alberta, Canada 



walcotti Ulrich and Foerste 



Ulrich, E. O., and Foerste, A. F., 1936: p. 261, 262, pi. 38, figs. 11, 



12. 

 Holotype and paratype 92682a, b 



Mons Fm. Alberta, Canada 



Ulrich. E. O., et al., 1944: p. 61, pi. 23, figs. 13, 14. 

 Hypotypes 109475-109478 



Mons Fm. Alberta, Canada 



Aletoceras 



amphoroides Flower 



Flower, R. H., 1938: p. 37, pi. 3, figs. 3, 4. 

 Holotype 96777 



Tully Ls., Westbrook Mbr. New York 



Allopiloceras 



affine Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 27, pi. 3, figs. 9, 10. 

 Holotype 108226 



Knox Dol., Cotter Horiz. Tennessee 



baylovense Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 28, pi. 36, figs. 7-10. 

 Holotype and paratype 108227a, b 



El Paso Ls. Texas 



breve Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 28, pi. 4, figs. 5, 6. 

 Holotype 108228 



Knox Dol., Roubidoux Horiz. Tennessee 



compressum Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 30, pi. 4, figs. 7, 8. 

 Holotype 108229 



Knox Dol., Cotter Horiz. Tennessee 



