PLATE 17 

 Permoperplexella, Pianella, Pagodaporella 



Figs. 1-5. Permoperplexella attenuata gen. et sp. nov., thin-sections, X28. 1. Paratype, 

 oblique-longitudinal cut. V. 52084. 2, 3. Paratypes, oblique section of distal end, oblique- 

 transverse cut near this end. V. 52085. 4. Holotype, longitudinal section. V. 52085. 

 5. Oblique-transverse cut near distal end. V. 52085. Permian, Zinnar Formation ; Ora, 

 Mosul Liwa, Iraq. 



Figs. 6-8. Pianella pygmaea (Giimbel) Radoicic. 6. Transverse section, X40. V. 52086. 

 7. Longitudinal section, X40. V. 52087. 8. Oblique section, X40. V. 52088. Cretaceous, 

 Valanginian, Garagu Formation ; subsurface, Mileh Tharthar Well No. 1, Dulaim Liwa, Iraq. 



Figs. 9, 10. Pagodaporella wetzeli Elliott. 9. Longitudinal thin-section of solid, dissociated, 

 example, x6o. V. 41605. 10. Solid example, external appearance, x6o. V. 41604. Palae- 

 ocene, Kolosh Formation ; Bekhme, Erbil Liwa, Iraq. 



