PLATE 30 



Phalcocythere horrescens (Bosquet) gen. nov. 



Figs, i, 2. External and internal views, left valve, x 68. Io. 4254. Lutetian IV (sample 

 CAB 1002, Keij 1957, P- 1 9)> Grignon, Paris Basin. 



Figs. 3, 4. Dorsal and external views, left valve, x 68. Io. 4253. Lutetian IV (sample 

 CAB 1002, Keij 1957, p. 19), Grignon, Paris Basin. 



Fig. 5. Muscle scars x 195. Right valve. Io. 4255. Lutetian IV (sample CAB 1002, 

 Keij 1957, P- J 9). Grignon, Paris Basin. 



Fig. 6. Internal view, right valve, x 132. Io. 4256. Lutetian, Villiers-St. -Frederic, Paris 

 Basin. 



Phalcocythere improcera sp. nov. 

 (See PI. 33, figs. 12, 13 for hinge). 



Fig. 7. Anterior radial pore canals x 224. Left valve female. Paratype, Io. 4295. Upper 

 Palaeocene, sample 460-i, Sor Range, 8 miles east of Quetta. 



Figs. 8, 9. Left and right views, carapace male, x 68. Holotype, Io. 4344. Upper 

 Palaeocene, sample 460-i, Sor Range, 8 miles east of Quetta. 



Figs, io, ii. Left and right views, carapace female, X 68. Paratype, Io. 4258. Upper 

 Palaeocene, sample 460-i, Sor Range, 8 miles east of Quetta. 



Fig. 12. Anterior radial pore canals x 224. Right valve female. Paratype, Io. 4296. 

 Upper Palaeocene, sample 460-i, Sor Range, 8 miles east of Quetta. 



