24G FORAMINIFERA 



Genus TURRILINA Andreae, 1884. Emend 



Plate 35, figures 7-9; plate 37, figure 2 

 Genoholotype, Turrilina alsatica Andreae 



Turrilina Andreae, Abhandl. Geol. Special Karte Elsass-Lothr., vol. 2, 



Heft. 3, 1884, p. 120. 

 Bulimina (part) of authors. 



Test, an elongate close spiral, the chambers three or more in 

 a coil, the spiral suture marked and even; wall calcareous, per- 

 forate; aperture with a broad base at the basal margin of the 

 chamber, little if at all twisted. 



Jurassic to Recent. 



Genus BULIMINELLA Cushman, 1911 

 Plate 35, figure 10; plate 37, figure 3 



Genoholotype, Bulimina elegantissima d'Orbigny 



Buliminella Cushman, Bull. 71, U. S. Nat. Mus., pt. 2, 1911, p. 88. 

 Bulwiina (part) of authors. 



Test, an elongate close spiral, the spiral suture marked; 

 chambers three or usually more in a coil; wall calcareous, 

 perforate; aperture elongate, very slightly twisted. 



Cretaceous to Recent. 



Genus BULIMINOIDES Cushman, 1911 

 Plate 35, figures 11, 12; plate 37, figure 5 



Genoholotype, Bulimina williamsoniana H. B. Brady 



Buliminoidcs Cushman, Bull. 71, U. S. Nat. Mus., pt. 2, 1911, p. 90. 

 Bxilimina (part) of authors. 



Test subcylindrical, elongate, spirally twisted; chambers 

 from the surface indistinct due to the ornamentation; wall 

 calcareous, perforate; aperture terminal, central, circular, 

 situated in a depression of the apertural end of the test. 



Recent. 



Genus ROBERTINA d'Orbigny, 1846 



Plate 35, figures 13, 14; plate 37, figure 4 



Genoholotype, Hobertina arctica d'Orbigny 

 Robertina d'Orbigny, Foram. Foss. Bass. Tert. Vienne, 1840, p. 202. 

 Bulimina (part) of authors. 

 Cassidulina (part) of authors. 



