168 FORAMINIFERA 



Genus VERTEBRALINA d'Orbigny, 1826 

 Plate 20, figure 12; plate 21, figure 9 



Genoholotype, Vertehralina striata d'Orbigny 

 Vertebralina d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 283. 



Test with the early chambers planispiral, later ones in a 

 rectilinear series ; aperture simple, a long narrow slit either at 

 the outer end of the chamber or somewhat laterally placed, 

 typically with a definite lip. 



Eocene to Recent. 



Subfamily 4. Nubeculariinae 



Test typically attached at least in the early stages, coiled in 

 the young, later irregular or consisting of a single attached 

 chamber. 



Genus NUBECULARIA Defrance, 1825 



Plate 20, figure 13; plate 21, figure 10 

 Genoholotype, Ntibecularia Incifuga Defrance 



Nuhecidaria Defrance, Diet. Sci. Nat., vol. 35, 1825, p. 210. 

 Amorphina PARKER, Ann. Mag. Nat. Hist., ser. 2, vol. 19, 1857, p. 278 

 (fide Sherborn). 



Test typically coiled, planispiral, free or usually attached, 

 consisting of an oval proloculum, with a second coiled tubular 

 chamber followed in the adult by irregular chambers varying 

 more or less with the attached surface. 



Lias to Recent. 



Genus CALCITUBA Roboz, 1883 



Plate 20, figure 15; plate 21, figure 11 

 Genoholotype, CaJcituba polymorpha Roboz 

 Calcituha ROBOZ, Sitz. Akad. Wiss. Wien, vol. 88, pt. 1, 1883 (1884), 



p. 420. 

 Test adherent, branched, of irregular chambers, more or less 

 cylindrical; wall imperforate; apertures simple, at the ends of 

 the branches. 



Recent. Pacific and Mediterranean. 



