FAMILY 29. HETEROHELICIDAE 231 



Genus PSEUDOTEXTULARIA Rzehak, 1886 



Plate 33, figures 5-7; plate 34, figure 4 

 Genoholotype, Pseudotextularia varians Rzehak 



Pseudotextularia Rzehak, Ver. Nat. Ver. Briinn, vol. 24, 1885 (1886), 



Sitz., p. 8. 

 Giimbelina (part) of authors. 



Test with the early chambers as in Giimbelina but in the 

 adult having a series of globular chambers arranged in a more 

 or less spiral manner about the upper portion of the test. 



Upper Cretaceous (America) to Lower Eocene (Europe). 



Genus PLANOGLOBULINA Cushman, 1927 



Plate 33, figures 8, 9; plate 34, figure 5 



Genoholotype, Giimbelina acervulinoides Egger 



Planoglobulina Cushman, Contr. Cushman Lab. Foram. Res., vol. 2, 1927, 



p. 77. 

 Giimbelina (part) of authors. 



Test with the earliest chambers in the microspheric form 

 planispiral followed by a series arranged biserially, and in the 

 adult by a series of globular chambers, the earliest ones as in 

 Pseudotextularia, later ones spread out fan-shaped, or even par- 

 tially extending back toward the earlier chambers on either 

 side, the later chambers in a single plane ; wall calcareous, 

 perforate. 



Upper Cretaceous. 



Genus VENTILABRELLA Cushman, 1928 



Plate 33, figure 10 

 Genoholotype, Ventrilabrella eggeri Cushman 

 Ventilabrella Cushman, Contr. Cushman Lab. Foram. Res., vol. 4, 1928, 



p. 2. 

 Giimbelina (part) of authors. 



Test in the early stages biserial, later with an increase in 

 the number of chambers but all in one plane, spread out in a 

 fan-shape; chambers globular; wall calcareous, perforate, 

 smooth or variously ornamented; aperture in the biserial stage 

 single, at the base of the inner margin, in the adult two aper- 

 tures in each chamber, at opposite sides near the base in the 

 median line. 



Upper Cretaceous. 



