PLATE i 



Actinocythereis ? quasibathonica sp. nov. 



Figs, i, io. Dorsal and right views, carapace male, X 70. Paratype, Io. 4260. Upper 

 Chocolate Clays (lower part), sample 3613, Rakhi Nala. 



Figs. 2, 3, 11, 12. Dorsal, ventral, left and right views, carapace female, x 70. Holotype, 

 Io. 431 1. Upper Chocolate Clays (lower part), sample 361 1, Rakhi Nala. 



Fig. 6. Dorsal view of hinge, left valve male, x 230. Paratype, Io. 3101. Upper Choco- 

 late Clays (lower part), sample 3613, Rakhi Nala. 



Figs. 7, 13. 7, dorsal view of hinge x 230 ; 13, anterior radial pore canals X 230. Right 

 valve male. Paratype, Io. 3100. Upper Chocolate Clays, sample 361 1, Rakhi Nala. 



Alocopocy there transcendens gen. et sp. nov. 

 Figs. 4, 5, 8, 9. Dorsal, ventral, right and left views, carapace male, x 90. Paratype, 

 Io. 3104. Upper Chocolate Clays (lower part), sample 3607, Rakhi Nala. 



