TYPE SPECIMENS OF INVERTEBRATE FOSSILS 127 



Spyroc eras --Continued 



? distoannulatum Foerste 



Foerste, A. F., 1935: p. 26, 27, pi. 6, fig. 4. 

 Holotype 90905 



Big Horn Fm., Lander Ss. Mbr. Wyoming 



mcfarlani Foerste 



Foerste, A. F., 1932: p. 107, 108, pi. 14, fig. 5. 

 Holotype 87115 



Trenton Fm., Perryville Mbr. Kentucky 



microtextile Foerste 



Foerste, A. F., 1923: p. 87, pi. 15, fig. 2a-c. 

 Syntypes 72022 



Argillaceous strata immediately 

 beneath the Brassfield Ls. Ohio 



ruedemanni Foerste 



Foerste, A. F., 1928c: p. 281-283, pi. 61, figs. 3c, d, g; pi. 63, fig. 7. 

 Syntypes 82175 



Cedarville Dol. Ohio 



Syntype 82175 



Port Byron Mbr. Illinois 



whitcombi Foerste 



Foerste, A. F., 1932: p. 109, 110, pi. 13, figs. 2a-c. 

 Holotype and paratype 89431 



Salona Fm. Pennsylvania 



sp. 



Endo, Riuji, 1932: p. 73, pi. 38, fig. 5. 



Figured specimen 83695 



Upper Ordovician Shensi, China 



Foerste, A. F., 1936a: p. 42, pi. 23, fig. 2. 



Figured specimen 92792 



Gascons Fm. Quebec, Canada 



Stearoceras 



hesperium Miller and Youngquist 



Miller, A. K., and Youngquist, Walter, 1949: p. 53, 54, pi. 20, 



figs. 1, 2. 

 Holotype 120823 



Leonard Fm. Texas 



