TYPE SPECIMENS OF INVERTEBRATE FOSSILS 21 



Billingsites 



landerensis Foerste 



Foerste, A. F., 1935: p. 20, 21, pi. 1, figs. 4, 5. 

 Holotype 90901 



Big Horn Fm. Wyoming 



? williams portensis Foerste 



Foerste, A. F., 1924: p. 217, 218, pi. 35, figs. 2a-c. 

 Holotype 48395 



Catheys Fm. Tennessee 



Bitaunioceras 



texanum Miller and Youngquist 



Miller, A. K., and Youngquist, Walter, 1947: p. 4, pi. 1, fig. 15. 

 Holotype 120707 



Admiral Fm., Wildcat Creek Sh. Mbr. Texas 



Brachycycloceras 



curtum (Meek and Worthen) 



Furnish, W. M., et al., 1962: p. 1349-1351, pi. 179, figs. 5-8, 11, 12; 

 pi. 180, figs. 4-6. 

 Hypotypes 120837-120840 



Finis Sh. Texas 



Bridgeoceras 



subannulatum Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 59, 60, pi. 54, figs. 7, 8. 



Holotype 108266 



Upper Ozarkian (float) Quebec, Canada 



Buehleroceras 



apertum Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 61, pi. 35. figs. 9, 10; pi. 36, figs. 5, 6. 

 Holotype and paratype 108269. 108270 



Gasconade Dol. Missouri 



Unklesbay, A. G., 1954: p. 647, pi. 71, fig. 8. 

 Hypotype 123412 



Tanyard Fm., Staendebach Mbr. Texas 



compression Ulrich, Foerste, and Miller 



Ulrich, E. O., et al., 1943: p. 60, pi. 35, figs. 1-4. 



Holotype and paratypes 108267a, b, 108268 



Oneota Dol. Wisconsin 



