180 U.S. NATIONAL MUSEUM BULLETIN 262 



Sobolewia 



virginiana House 



House, M. R., 1962: p. 270-272, pi. 44, figs. 1-3, 7-11; text-figs. 



8a, b; 9a. 

 Holotype and paratypes 137646-137654 



Millboro Sh. Virginia 



sp. 



House, M. R., 1962: p. 255. 

 Mentioned specimen 

 Hayter's Gap Virginia 



Sporadoceras 



cf . S. pompeckji Wedekind 



House, M. R., 1962: p. 276, 277, pi. 46, fig. 12; text-figs. 12a, d. 

 Figured specimen 137645 



Ellicott Sh. New York 



Stacheoceras 



gordoni Miller, Furnish, and Clark 



Miller, A. K., et al., 1957b: p. 1062, 1063, pi. 134, figs. 1-4, text- 

 fig. 3. 



Holotype 119749 



Wildwood Fm. California 



normani Miller and Furnish 



Miller, A. K., and Furnish, W. M., 1957b: p. 1055, 1056. 

 Paratypes (figured specimen of 

 Stacheoceras sp., Miller, 1945) 111630 



Word Fm., first Ls. Mbr. Texas 



sp. 



Miller, A. K., 1945: p. 18, pi. 8, figs. 7, 8; text-fig. 2. 

 Figured specimen (paratype of 



S. normani Miller & Furnish, 



1957b) 111630 



Leonard Fm. Texas 



Stenopronorites 



arkansiensis (Smith) 



Gordon, Mackenzie, Jr., 1964b: p. 288-290, pi. 23, figs. 26-29. 

 Hypotype 119476 



Bloyd Sh., Brentwood Ls. Mbr. Arkansas 



Described hypotype 146378 



Johns Valley Sh. Arkansas 



