78 U.S. NATIONAL MUSEUM BULLETIN 262 



Lechritrochoceras --Continued 



notum (Hall) 



Foerste. A. F.. 1930b: p. 52-54, pi. 8, figs. 4a,b. 

 Hypotype 142781 



Racine Dol. Illinois 



telleri Foerste 



Foerste, A. F., 1930b: p. 49, 50, pi. 7, figs. 2a,b. 

 Holotype 142782 



Racine Dol. Illinois 



L eptocyrtoceras 



curvatum Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 48, pi. 11, figs. 8-12. 



Holotype and paratypes 109454, 109455, 109456 



Smithville Fm. Arkansas 



curvatum ? Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 49, pi. 11, figs. 6, 7. 

 Figured specimen 109457 



Cotter Dol. Arkansas 



powellense Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 49, pi. 11, figs. 1-3. 

 Holotype and paratypes 109458-109460 



Powell Dol. Arkansas 



virginianum Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 49, pi. 11, figs. 4, 5. 

 Holotype 109461 



Roubidoux Horiz. Virginia 



Leurocycloceras 



cf. L. niagarense (Hall) 



Flower, R. H., 1941: p. 469, 473, 474, 487, pi. 1, figs. 1-19; pi. 2. 

 figs. 1-3; pi. 3, figs. 5-9. 

 Figured specimens 108197 



Racine Dol. Wisconsin 



vaymondi Foerste 



Foerste, A. F., 1928c: p. 272, 273, pi. 57, figs. 4a-c. 

 Syntype 142783 



Racine Dol. Wisconsin 



