FAMILY 38. CHILOSTOMELLIDAE 299 



Subfamily 4. Allomorphinellinae 



Test with the later chambers planispiral, involute, chambers 

 increasing rapidly in size as added ; apertures becoming median. 



Genus ALLOMORPHINELLA Cushman, 1927 

 Plate 45, figure 14; plate 46, figure 11 

 Genoholotype, Allomo7"phina contraria Reuss 

 AUomorphinella CusHMAN, Contr. Cushman Lab. Foram. Res., vol. 3, 



1927, p. 86. 

 Allomorphina (part) of authors. 



Test with the adult chambers in a planispiral coil, the cham- 

 bers involute, rapidly increasing in size as added, and embracing ; 

 wall calcareous, perforate; aperture elongate, narrow, at the 

 periphery of the chamber at the median line. 



Upper Cretaceous. 



Genus CHILOSTOMELLINA Cushman, 1926 



Plate 45, figure 15; plate 46, figure 12 

 Genoholotype, Chilostomellma fimbriata Cushman 

 . Chilostomellina Cushman, Contr. Cushman Lab. Foram. Res., vol. 1, 1926, 

 p. 78. 



Test composed of a few inflated chambers, the last-formed 

 one almost completely enveloping the preceding ones, and the 

 chambers rapidly increasing in size as added; wall calcareous, 

 thin, finely perforate; aperture small, crescentiform, the sides 

 of the chamber with a series of reentrants at each side. 



Recent. 



Genus PULLENIA Parker and Jones, 1862 



Plate 45, figure 16; plate 46, figure 13 

 Genotype, by designation, Noyiionina sphaeroides d'Orbigny 

 Pullenia Parker and Jones, in Carpenter, Parker and Jones, Introd. 



Foram., 1862, p. 184. 

 Nonionma (part) d'Orbigny, 1826. 



Test in the adult planispiral, close coiled, chambers completely 

 involute, a few making up the coil; wall calcareous, perforate; 

 aperture, an elongate crescentic opening at the inner margin 

 of the last-formed chamber. 



Cretaceous to Recent. 



