PLATE 13 



Buntonia devexa sp. nov. 



Figs, i, 3. Left and right views, carapace male, x 70. Paratype, Io. 31 13. Gorge Beds, 

 sample 31 11, Rakhi Nala. 



Figs. 2, 4, 5. Left, dorsal and right views, carapace female, x 70. Holotype, Io. 4322. 

 Gorge Beds, sample 31 11, Rakhi Nala. 



Buntonia sp.A 

 Figs. 6, 7, 9. Left, right and dorsal views, carapace, x 70. 

 Rakhi Gaj Shales, sample 3133, Rakhi Nala. 



Paratype, Io. 31 14. Lower 



Costa (Paracosta) declivis subgen. et sp. nov. 



Figs. 8, 10-12. Left, right, dorsal and ventral views, carapace male, x 68. Holotype, 

 Io. 4325. Pellatispira Beds, sample 3662, Rakhi Nala. 



Fig. 13. Right view, carapace female, x 68. Paratype, Io. 4273. Pellatispira Beds, 

 sample 3662, Rakhi Nala. 



Fig. 14. Left view, carapace female, x 68. Paratype, Io. 31 16. Pellatispira Beds, sample 

 3662, Rakhi Nala. 



