308. FORAMINIFERA 



Genus SPHAEROIDINELLA Cushman, 1927 



Plate 47, figures 14-17; plate 48, figure 2 

 Genoholotype, Sphaeroidina dehiscens Parker and Jones 

 Sphaeroidinella Cushman, Contr. Cushman Lab. Foram. Res., vol. 3, 



1927, p. 90. 

 Sphaeroidina (part) of authors. 

 Globigerina (part) Schwager, 1866 (not d'Orbigny). 



Test in the early stages trochoid and like Globigerina with 

 coarsely cancellated surface and with spines, in the adult with 

 the chambers embracing, two or three forming the exterior, 

 the chambers slightly separated, the edges with somewhat 

 crenulated carinae and without spines; aperture in the deep 

 cavity between the chambers. 



Pliocene to Recent. 



EXPLANATION OF PLATE 48 



Globigerinidae, Globorotaliidae 

 Fig. 



1. Globigerina bulloides d'Orbigny. (After H. B. Brady), a, dorsal 



view; 6, ventral view; c, side view. 



2. Sphaeroidinella dehiscens (Parker and Jones). (After Parker and 



Jones), a, dorsal view; b, ventral view. 



3. Candeina nitida d'Orbigny. (After H. B. Brady), a, dorsal view; 



b, side view. 



4. OrbuHna tiniversa d'Orbigny. (After H. B. Brady). 



5. PuUeniatina obliquiloculata (Parker and Jones). (After H. B. 



Brady), a, side view; b, apertural view. 



6. Globlgerinoides rubra (d'Orbigny). (After H. B. Brady), a, dorsal 



view; b, side view; c, ventral view. 



7. Globigerinella aequilateralis (H. B. Brady). (After H. B. Brady). 



a, side view; b, apertural view. 



8. Hastigerina pelagica (d'Orbigny). (After H. B. Brady). 



9. Hastigerinella digitata (Rhumbler). (After Rhumbler — but spines 



not complete). 



10. Cyclolocnfina annidata Heron-Allen and Earland. (After Heron-Allen 



and Earland). a, adult; b, young. 



11. Globotruncana area (Cushman). a, dorsal view; b, ventral view; c, 



edge view. 



12. Globorotalia tumida (H. B. Brady). (After H. B. Brady), a, dorsal 



view; b, ventral view; c, edge view. 



