PLATE 20 

 Salpingoporella 



Figs, i, 2, 5. Salpingoporella apenninica Sartoni & Crescenti. Thin-sections, X50. 1. 

 Random vertical and transverse cuts of short lengths of tube. V. 52095. 2, 5. Longitudinal 

 sections with associated transverse sections. V. 52096. Upper Jurassic, Najmah Formation ; 

 subsurface, Kirkuk Well No. 117, Iraq. 



Figs. 3, 4, 6, 7. Salpingoporella annulata Carozzi. 3. Oblique-vertical section, X50. 

 V. 52097. 4. Transverse section, X50. V. 52099. 6. Solid (dissociated) specimen, 

 external appearance, X50. V. 52099. 7. Longitudinal thin-section, X50. V. 52098. Upper 

 Jurassic, " Arab Zone " ; subsurface, Dukhan Well No. 28 (figs. 3, 4, 7) and Well No. 2 (fig. 6), 

 Qatar, Arabia. 



