142 U.S. NATIONAL MUSEUM BULLETIN 262 



Woosteroceras 



cherokeense Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 30, pi. 46, fig. 12. 

 Holotype 109433 



Ellenburger Ls., Gasconade Horiz. Texas 



trempealeauense Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 30, pi. 46, figs. 13-15. 

 Holotype, paratype, and illustrated 



artificial casts 109432 



Oneota Dol. Wisconsin 



Worthenoceras 



byronense Foerste 



Foerste, A. F., 1930b: p. 77. 



Syntypes 81434, 81434a 



Port Byron Dol. Illinois 



curtum Foerste 



Foerste, A. F., 1930b: p. 77, 78, pi. 13, figs, la, b. 

 Holotype 81436 



Port Byron Dol. Illinois 



curtum ? Foerste 



Foerste, A. F., 1930b: p. 78. 



Described specimen 81436a 



Port Byron Dol. Illinois 



elongatum Foerste 



Foerste, A. F., 1930b: p. 76, pi. 13, figs. 7a, b; 8a, b. 

 Paratypes 81433, 81433a 



Port Byron Dol. Illinois 



exiguum Foerste 



Foerste, A. F., 1930b: p. 77, pi. 13, figs. 4a, b. 

 Holotype 81435 



Port Byron Dol. Illinois 



? su bfus iform e Fo e r ste 



Foerste, A. F., 1934: p. 128, 129, pi. 30, figs. 4a-c; pi. 37, fig. 2. 

 Holotype and paratypes 89818 



Cedarville Dol. Ohio 



Zitteloceras 



clarkeanum Foerste 



McKelvey, V. E., 1939: p. 74-76, text-figs. 1-4, 6. 

 Hypotype (mold) 137069 



Lower Platteville Beds Wisconsin 



