TYPE SPECIMENS OF INVERTEBRATE FOSSILS 53 



Dakeoceras- -Continued 



sp. — Continued 



Butts. Charles. 1941: p. 19. pi. 68. fig. 4. 

 Figured specimen 97287 



Chepultepec Ls. Virginia 



? sp. 



Butts. Charles. 1941: p. 19. pi. 68. fig. 3. 

 Figured specimen 97286 



Chepultepec Ls. Virginia 



spp. 



Ulrich, E. O.. et al., 1943: p. 115. 116. pi. 55. figs. 1. 2; pi. 56, 

 figs. 8. 9. 



Figured specimens 108385, 108386 



Ellenburger Ls., Gasconade Horiz. Texas 



Dawsonoceras 



americanum (Foord) 



Foerste, A. F.. 1928a: p. 34. pi. 5. figs. 2-4; pi. 28, figs. 4a, b. 

 Hypotypes 67061, 67239 



Niagara Div. Osgood Mbr. Indiana 



Foerste. A. F.. 1928a: p. 34. pi. 5, fig. 4. 

 Hypotype 10400 



Niagara Dol., Rochester Sh. Mbr. New York 



Foerste, A. F.. 1928c: p. 279, pi. 61. fig. 5. 

 Hypotype 67239 



Osgood Fm. Indiana 



nodocostatum (McChesney) 



Foerste. A. F.. 1928c: p. 276-278, pi. 58, figs. 3a, b; 

 Plastoholotype (figured) 81939 



Cedarville Dol. Ohio 



nodocostatum ? ("intermediate between D. nodocostatum and D, granti 

 Foerste") 



Foerste, A. F.. 1928c: p. 276-278, pi. 59, fig. 1. 

 Figured specimen 67241 



Racine Dol. Illinois 



sp. 



Foerste, A. F., 1936a: p. 44, pi. 9, fig. 3. 



Figured and described specimens 92793, 92793a 



Gascons Fm. Quebec. Canada 



