318 FORAMINIFERA 



Genus PLANULINA d'Orbigny, 1826 



Plate 49, figures 13, 14; plate 51, figure 2 

 Genotype, by designation, Planulina ariminensis d'Orbigny 

 Planulina d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 280. 

 Anomalina (part) of authors. 

 Truncatulina (part) of authors. 



Test in the young trochoid, in the adult very much compressed, 

 evolute, the earlier chambers visible from both sides of the test 

 in the megalospheric form, in the microspheric form with the 

 central area raised on the dorsal side; wall calcareous, coarsely 

 perforate; aperture at the base of the chamber at the median 

 line. 



Cretaceous to Recent. 



Genus LATICARININA Galloway and Wissler 



Plate 49, figures 15-18; plate 51, figure 3 



Genoholotype, Pulvinulma repanda, var. menardii, subvar. pauperata 



Parker and Jones 

 Laticarinma Galloway and Wissler, Journ. Pal., vol. 1, 1927-28 (1928), 

 p. 192. 



EXPLANATION OF PLATE 51 



Anomalinidae, Planorbulinidae 



Fig. 



1. Anomalina pvnctulata_ d'Orbigny. (After d'Orbigny). a, dorsal 



view; h, ventral view; c, edge view. 



2. Planulina ariminensis d'Orbigny. (After d'Orbigny). o, dorsal view; 



h, ventral view; c, edge view. 



3. Laticariniyia pauperata (Parker and Jones). (After H. B. Brady). 



a, dorsal view; 6, edge view. 



4. Cibicides lohatulus (Walker and Jacob). (After H. B. Brady), a, 



dorsal view; h, ventral view; e, edge view. 



5. Cihicidella variabilis (d'Orbigny). (After H. B. Brady). 



6. Cyclocibicides vermiculatns (d'Orbigny). (After H. B. Brady). 



7. Webbina rugosa d'Orbigny. (After d'Orbigny). a, from unattached 



side; b, from edge. 



8. Planorbulina mediterranensis d'Orbigny. (After d'Orbigny). a, 



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



9. Planorbidinella larvata (Parker and Jones). (After H. B. Brady). 



a, side view; 6, edge view. 

 10. Linderina brugesi Schlumberger. (Adapted from Schlumberger). a, 

 from side; b, section. 



