18 U.S. NATIONAL MUSEUM BULLETIN 262 



Armenoceras- -Continued 



sp. 



Teichert, Curt 1933: p. 135, 136, 151, pi. 10, figs. 16, 17. 

 Figured specimen 82242 



Racine Ls. Wisconsin 



Endo, Riuji, 1932: p. 101, 102, pi. 25, fig. 2. 



Figured specimen 83744 



Wuting Fm. Manchuria, China 



Endo, Riuji, 1932: p. 101, pi. 19, fig. 9; pi. 20, fig. 2. 

 Figured specimens 83740, 83741 



Ssuyen Fm. Manchuria, China 



Asymptoceras 

 newloni Hyatt 



Hyatt, Alpheus, 1891: p. 346, 347, text-figs. 48, 49. 

 Holotype 23869 



Carboniferous, "Coal Measures" Kansas 



Austinoceras 



turgidulum Foerste 



Foerste, A. F., 1934: p. 140, 141, pi. 33, figs. 4a, b. 

 Holotype 89819 



Cedarville Dol. Ohio 



Avaoceras 



elongatum Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 41, pi. 8, figs. 10-12. 

 Holotype and paratype 109443, 109444 



Jefferson City Dol. Missouri 



Unklesbay, A. G., 1961: p. 375, 376, pi. 52, fig. 3. 

 Hypotype 143005 



Lower Jefferson City Horiz. Texas 



longidomum Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al. 1944: p. 42, pi. 8, fig. 13. 

 Holotype 109445 



Jefferson City Dol. Missouri 



magnisiphonatum Ulrich, Foerste, Miller, and Unklesbay 



Ulrich, E. O., et al., 1944: p. 42, pi. 8, figs. 14. 15. 

 Holotype and paratype 109446, 109447 



Jefferson City Dol. Missouri 



