Plate 63. 



Fio. 1. Truncatullna rcfulgens. X 66. D5469. a, ventral view; 6, dorsal view 

 c, apertural view. 



2. Truncatulina lobatula. X 66. D5590. a, ventral view; h, dorsal view; 



c, apertural view. 



3. Truncatulina ahneriana. X 66. D5445. a, ventral \iew: It. dorsal view; 



c, apertural view. 

 5.52 



