160 University of Texas Bulletin 



PLATE 6. 



Remondia, Venericardia, Amberleya, Hemiaster, Epiaster Plate 6 



Figure 1. Remondia (?) acuminata (Cragin) Page 136 



Occasional, basal Weno marl; rare, Pawpaw clay. Locality: 618, near Fort Worth, 

 Texas, individual, x 1, showing hinge structure. 



Figure 2. Venericardia wenoensis n. sp Page 125 



Occasional, Weno formation, shale facies, Red River region, and marl facies, 

 Fort Worth region. Fig. 2, individual, x 2.0, showing ribbing. Locality: 618, 

 near Fort Worth, Texas. 



Figure 3. Hemiaster calvini Clark Page 114 



Occasional, Weno and Pawpaw formations. Fig. 3, x 3.0. Locality: 903, Gray- 

 son marl, one-half mile southeast of Denison, Texas. 



Rare, basal Pawpaw formation, clay-marl transition area; rare, Weno marl. 

 Type individual, x 4.0. Locality: 720, near Riovista, Texas. 



Figure 4. Hemiaster riovistae n. sp Page 115 



Rare, Weno formation, shale facies. Locality: 606, basal stratum of Weno form- 

 ation, near Denison, Texas. Type individual, x 2.0, showing carinae and 

 ribbing. 



Figure 5. Amberleya graysonensis n. sp Page 137 



Abundant, basal Weno formation, marl facies; rare Pawpaw clay and marl. 

 Type individual, x 1.0. Locality: 618, near Fort Worth, Texas. 



Figure 6. Epiaster wenoensis n. sp Page 105 



Abundant, basal Weno formation, marl facies; rare, Pawpaw clay and marl. 

 Type individual, x 1.0. Locality: 618, near Fort Worth, Texas. 



