TYPE SPECIMENS OF INVERTEBRATE FOSSILS 51 



Cyrtorizoceras --Continued 



fosteri (Hall) --Continued 



Foerste, A. F.. 1934: p. 122, pi. 29, fig. 4b. 

 Hypotype 82171b 



Cedarville Dol. Ohio 



gasconsense Foerste 



Foerste, A. F., 1936a: p. 55, 56, pi. 24, fig. 6. 



Holotype 92797 



West Point Ls. Quebec, Canada 



? hyattianum Girty 



Girty, G. H., 1909a: p. 49, pi. 10, figs. 1, la, b. 

 Holotype 119579 



Caney Sh. Oklahoma 



longidomum Foerste 



Foerste, A. F., 1930b: p. 36, 37, pi. 4, figs, la, b. 

 Holotype 81426 



Port Byron Dol. Illinois 



Dakeoceras 



corniculum Ulrich, Foerste, and Miller 



Ulrich, E. O.. et al., 1943: p. 109, 110, pi. 56, figs. 12, 13. 

 Holotype 108369 



Van Buren Fm. Missouri 



dilatatum Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 110, pi. 56, figs. 1-5. 



Holotype and paratypes 108370, 108371a-d - 



108373 

 Van Burean Fm. Missouri 



divergens Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. Ill, pi. 56, figs. 6, 7. 

 Holotype and paratype 108374a 



Van Buren Fm. Missouri 



magnisiphonatum Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. Ill, pi. 56, figs. 10, 11. 

 Holotype 108375 



Van Buren Fm. Missouri 



normale Ulrich and Foerste 



Ulrich, E. O., and Foerste, A. F., 1931: p. 210, pi. 20, fig. 29. 

 Holotype and paratypes 83534, 83556, 108367 



Van Buren Fm. Missouri 



