154 U.S. NATIONAL MUSEUM BULLETIN 262 



Eumorphoceras - - Continued 

 bis ulcatum - - Continued 



Miller, A. K., and Youngquist, Walter, 1948: p. 661-665, pi. 100, 

 figs. 13-17; text-fig. 2b. 

 Hypotypes 112989, 112990 



Barnett Fm. Texas 



Gordon, Mackenzie, Jr., 1964b: p. 235-238, pi. 25, figs. 9, 10, 28-30; 



text-figs. 63g, h, k, 1, 65c, 66c. 



Hypotype 119634 



Caney Sh. Oklahoma 



Hypotype 119635 



Pitkin Ls. Arkansas 



Hypotype 119636 



Imo Fm. Arkansas 



milleri Gordon 



Gordon, Mackenzie, Jr., 1964b: p. 238, 239, pi. 25, figs. 1-8, 11-13, 



23, 32, text-figs 63i, j, 67a. 

 Holotype and paratypes 119637-119639, 120662, 



120663 

 Fayetteville Sh. Arkansas 



plummeri Miller and Youngquist 



Miller, A. K., and Youngquist, Walter, 1948: p. 665-667, pi. 100, 

 figs. 1-3, 20, 21; text-fig. 2a. 

 Holotype and paratype 112992, 112993 



Barnett Fm. Texas 



(Edmooroceras) plummeri Miller and Youngquist 



Gordon, Mackenzie, Jr., 1964b: p. 239-241, pi. 25, figs. 14, 15, 25 



19-22; text-figs. 63m, n. 

 Hypotypes (hypotype of Girtyoceras 



meslerianum Girty in Miller and 



Youngquist, 1948, pi. 94, figs. 



10, 11) 119640, 112994, 



Barnett Fm. Texas 



Hypotype 119641, 119642 



Fayetteville Sh. Arkansas 



Falciclymenia 



bowsheri Miller and Collinson 



Miller, A. K., and Collinson, Charles, 1951: p. 600-603, text- figs. 



la-c. 

 Holotype 116343 



Percha Sh. New Mexico 



