134 U.S. NATIONAL MUSEUM BULLETIN 262 



Trocholitoceras — Continued 



walcotti — Continued 



Ulrich, E. O., et al., 1942: p. 80, 81, pi. 31, fig. 3; pi. 53, figs. 3, 4. 

 Hypotypes 101410, 101411 



St. Armand Ls. Quebec, Canada 



Troedssonoceras 

 baileyi Flower 



Flower, R. H., 1939a: p. 483, 484, pi. 50, figs. 1, 2, 7. 



Holotype 114450 (4015 published, 



collection no.) 

 Trenton ? Tennessee 



turbidum (Hall and Whitfield) 



Foerste, A. F., 1928a: p. 41-43. 



Hypotypes 48295 



Maysville Fm., Fairmount Mbr. Kentucky 



Troostoceras 



paulocurvatum Foerste and Teichert 



Foerste, A. F., and Teichert, Curt, 1930: p. 267, 268, pi. 54, figs. 



la-c; pi. 59, fig. 5. 

 Holotype 83053 



Trenton Fm., Bigby Mbr. Tennessee 



paulocurvatum abbreviatum Foerste and Teichert 



Foerste, A. F., and Teichert, Curt, 1930: p. 268, 269, pi. 54, figs. 



2a, b. 

 Holotype and paratypes 82230 



Trenton Ls., Bigby Mbr. ? Tennessee 



Tumidocevas 



lentum Flower 



Flower, R. H., 1949: p. 78, 79, pi. 20, figs. 2, 3. 

 Holotype 114383 



Traverse Gr. Michigan 



magnum Flower 



Flower, R. H., 1949: p. 79, 80, pi. 19, fig. 1. 

 Holotype 114384 



Gravel Point Fm. Michigan 



