FAME XOXO: 
PLACENTICERAS SANCARLOSENSE Hyatt. 
(Page 200. ) 
Fig. 1. Side view of an average-sized specimen 
2. Aperture view of same. 
3. Suture of same, 2. 
San Carlos, Presidio County, Tex.; San Carlos beds; Upper Cretaceous; Coll. U. 8. Geol. Surv. 
312 
