312 FORAMINIFERA 



Genus GLOBOROTALIA Cushman, 1927 



Plate 48, figure 12; plate 49, figures 3, 4 

 Genoholotype, Pulvinulina menardii, var. tumida H. B. Brady 

 Globorotalia Cushman, Contr. Cushman Lab. Forani. Res., vol. 3, 1927, 



p. 91. 

 Rotalia (part) of authors. 

 Rotalina (part) of authors. 

 Planulina (part) of authors. 

 Pulvinulina (part) of authors. 



Test trochoid, the earliest chambers often like Glohigerina, with 

 a rough cancellated exterior, biconvex, on the dorsal side more 

 or less flattened with the ventral side strongly convex; wall 

 calcareous, perforate, frequently spinose in whole or in restricted 

 areas ; aperture large, opening into the umbilicus which is either 

 open or partially covered by a lip. 



Upper Cretaceous to Recent. 



EXPLANATION OF PLATE 49 



Globorotaliidae, Anomalinidae 

 Fig. 



1. Glohotriincana area (Cushman). X 40. (After type figure). 



2. Glohotruncana marginata (Reuss). x 65. (After Heron-Allen 



and Earland). 



3. Globorotalia tumida (H. B. Brady). X 25.' (After type figure). 



4. Globorotalia fimby-iata (H. B. Bi'ady). X 25. (After type figure). 

 5-8. Cycloloculina annulata Heron-Allen and Earland. (After type 



figures). Fig. 5, Adult. X 32. Fig. 6, Detail of surface and 

 spines. X 95. Fig. 7, Early chambers. X 32. Fig. 8, Early 

 stages to the first annular chambers. X 40. 

 9, 10, Sherbornina atkinsoni Chapman. (After type figures). Fig. 9, 

 Surface view. X 14. Fig. 10, Portion of median section. X 16. 



11. Anomalina ptmctulata d'Orbigny. (After type figures). 



12. Anomalina grosserugosa Giimbel. X 28. (After H. B. Brady). 



13. Planulina ariminensis d'Orbigny. (After type figui'es). 



14. Planulina ornata (d'Orbigny). X 35. 



15-18. Laticarinina pauperata (Pai'ker and Jones). Fig. 15 (After type 

 figure). X 20. Fig. 16 (After Flint). X 10. Fig. 17, From 

 side. Fig. 18, From periphery. 

 (In all figures: a, dorsal view^; b, ventral view; c, peripheral 

 view). 



