120 U.S. NATIONAL MUSEUM BULLETIN 262 



Pycnoceras 



clausum Ulrich, Foerste, Miller, and Furnish 



Ulrich, E. O., et al., 1942: p. 28, 29, pi. 7, figs. 5-14. 



Holotype and paratypes 101343, 101344, 101345, 



101349 



Jefferson City Fm. Missouri 



Paratypes 101346, 101348, 101350 



Cotter Fm. Missouri 



Paratype 101347 



Smithville Fm. Arkansas 



rotundatum Ulrich, Foerste, Miller, and Furnish 



Ulrich, E. O., et al., 1942: p. 29, pi. 7, figs. 1-4. 



Syntypes 101351, 101352 



Jefferson City Fm. Missouri 



Quebecoceras 

 ? sp. 



Butts, Charles, 1926: p. 88, pi. 14, figs. 6-9. 

 Figured specimens (holotype of 



S. bessemerense Ulrich, Foerste, 



and Miller, 1943; 71419 is 



S. unguliforme ? ibid, 1943) 71419, 71420 



Copper Ridge Col. Alabama 



Figured specimen (holotype of 



Dakeoceras subcurvatum 



Ulrich and Foerste, 1931) 83535 



Eminence Dol. Missouri 



Rayonnoceras 



bassleri Foerste and Teichert 



Foerste, A. F., and Teichert, Curt, 1930: p. 259-261, pi. 52, figs. 



la, b; pi. 59, fig. 4. 

 Holotype 82216 



Fayetteville Sh. Locality unknown 



buffaloense Foerste and Teichert 



Foerste, A. F., and Teichert, Curt, 1930: p. 261, 262, pi. 48, 

 figs. 2a, b. 

 Holotype 82220 



Boulder in Caney Sh. Oklahoma 



girtyi Foerste and Teichert 



Foerste, A. F., and Teichert, Curt, 1930: p. 262, pi. 49, figs, la, b; 

 pi. 50, fig. 1. 



Holotype 82221 



Boulder of St. Louis Ls. in Caney Sh. Oklahoma 



