PLATE ii 

 Dissocladella, Furcoporella 



Figs. 1-3. Dissocladella savitriae Pia. 1. Transverse section, X28. Palaeocene, Sinjar 

 Formation ; Banik, Mosul Liwa, Iraq. V. 41580. 2. Fragment to show enlarged wall-struc- 

 ture, thin-section, X50. Palaeocene, Kolosh Formation ; Rowanduz, Erbil Liwa, Iraq. 

 V. 52068. 3. Broken solid specimen to show nodose-annular external appearance, x 28. Lower 

 Eocene ; subsurface, Dukhan No. 3 Well ; Qatar, Arabia. V. 52069. 



Figs. 4—6. Dissocladella undulata (Raineri) Pia. Thin-sections. 4. Transverse section, 

 X50. V. 52070. 5, 6. Near-longitudinal sections, X50. V. 52071. Cretaceous, Turonian, 

 Sadi Formation, subsurface, Musaiyib No. 1 Well, Hill Liwa, Iraq. 



Figs. 7-9. Furcoporella diplopora Pia. 7. Oblique-longitudinal section to show successively 

 divergent pore-pairs (lower part of figure), X38. V. 41606. 8. Longitudinal section to show 

 waisted pores, X30. V. 41606. 9. Transverse section to show paired branches, X45. V. 

 51232. Palaeocene-Lower Eocene, Kolosh Formation ; Sedelan, Sulemania Liwa, Iraq. 



