JE VO IN Tay, DCO MO 
PLACENTICERAS GUADALUP® (Roemer). 
(Page 197.) 
Fig. 1. Lateral view of a large specimen. 
Aperture view of same considerably restored. 
oo to 
. Section of same. 
4. Enlarged section of inner whorls of same. 
Near Fort Worth, Tex.; Taylor beds (?); Upper Cretaceous; my collection. 
310 
