178 U.S. NATIONAL MUSEUM BULLETIN 262 



Pseudogastrioceras — Continued 

 roadense (Bose) 



Miller, A. K., and Furnish, W. M., 1940c: p. 89-91, pi. 17, figs. 2, 5; 



pi. 18, figs. 10, 11. 



Hypotype 144431 



Delaware Mountain Fm., Hegler Ls. Mbr. Texas 



Hypotype 144454 

 Delaware Mountain Fm., South Wells 



Mbr. Texas 



Figured specimen 144455 

 Delaware Mountain Fm., Getaway Ls. 



Mbr. Texas 



Miller, A. K., 1945: p. 16, pi. 6, figs. 3-5; pi. 7, fig. 13. 

 Hypotypes 111638, 111640 



Word Fm. Texas 



Pseudoparalegoceras 



(Phaneroceras) compressum (Hyatt) 



Gordon, Mackenzie, Jr., 1964b: p. 264, 265, pi. 29, figs. 1-4, 18-20; 



text-fig. 83a, b. 

 Lectotype and paratypes (syntypes of 



Gastrioceras compressum Hyatt, 



1891) 23872, 120189 



Carboniferous Texas 



Hypotypes 119713 



Atoka Fm. Arkansas 



(Phaneroceras) kesslerense (Mather) 



Gordon, Mackenzie, Jr., 1964b: p. 265-267, pi. 29, figs. 6-8; text- 

 figs. 84b-d. 

 Hypotypes 119676, 119677 



Atoka Fm. Arkansas 



williamsi Miller and Downs 



Miller, A. K., and Downs, R. H., 1948: p. 677-678, pi. 101, fig. 5; 

 pi. 102, figs. 1-5; pi. 103, figs. 6-9; text-fig. 2. 

 Holotype and paratypes 119618-119623 



Winslow Fm. Arkansas 



Ptychites 



cummins i White 



White, C. A., 1889: p. 117, pi. 1, figs. 4-8. 



Syntypes 21704a-e 



Permian Texas 



