132 U.S. NATIONAL MUSEUM BULLETIN 262 



Trimevoceras 



gilberti Kindle and Breger 



Kindle, E. M., and Breger, C. L., 1904: p. 475, pi. 15, fig. 1. 

 Holotype and paratypes 52950 



Niagara Gr., Huntington Mbr. Indiana 



Tripteroceras 



boreale Miller, Youngquist, and Collinson 



Miller, A. K., et al., 1954: p. 78, 79, pi. 46, figs. 1-3. 



Holotype 124613 



Upper Ordovician Baffin Island, Canada 



cariniferum Flower 



Flower, R. H., 1952: p. 53, pi. 8, figs. 14-16. 



Holotype 59516 (formerly 114381) 



Chaumont Ls. New York 



(Lambeocevas) richmondensis Foerste 



Foerste, A. F., 1917: p. 44, pi. 1, figs. 3a-d; pi. 3, fig. 2. 

 Syntypes 78713 



Richmond Gr. Indiana 



scofieldi Foerste 



Foerste, A. F., 1930a: p. 309, 310. 



Paratype 48382 



Trenton Fm. Minnesota 



Tripterocerina 



kirki Foerste 



Foerste, A. F., 1935: p. 49, 50, pi. 18, figs. 2, 3. 

 Holotype 90923 



Big Horn Fm., Lander Ss. Mbr. Wyoming 



planodovsatum (Whitfield) 



Clarke, J. M., 1897: p. 792, pi. 56, fig. 4. 

 Hypotypes 46529 



Trenton Ls. Minnesota 



Tvocholites 



ammonius major Ruedemann 



Ruedemann, Rudolf, 1926: p. 97, pi. 18, fig. 2. 

 Paratype 96229 



Utica Sh. New York 



