Plate 36. GLOBIGKRINA, ''GLOBIGKRINOIDES", GLOBIGERAPSIS 



(All figures X 71) 



Page 



Figures la-2b. Glohi'^i-rina bozreri Bolli, new 163 

 species 



la, Spiral view of holotype (USNM PS711). 

 lb, Umbilical view. Ic, Side view. 2a, Spiral 

 view of large paratype (USNM P5712). 2b, 

 Umbilicial view. Both from the Hantkenina ara- 

 gonensih zone, Navet formation, Trinidad. 

 Figures 3a, b. Globigerina cf. trilocularis d'Orbigny 163 

 3a, Spiral view of figured specimen (USNM 

 PS 71 3). 3b, Umbilical view. From the Glohoro- 

 talia cocoaensis zone, San Fernando formation, 

 Trinidad. 

 Figures 4a, b. Globigerina rohri Bolli 164 



4a, Spiral view of hypotype (USNM PS 714). 

 4b, Umbilical view, showing a rudimentary final 

 chamber. From the Globorotaiia cocoaensis zone, 

 San Fernando formation, Trinidad. 

 I'lGURES Sa, b. Globigerina linaperta Finlay 163 



5a, Spiral view of small hypotype (USNM 

 PS71S). 5b, Umbilical view. From the Por- 

 ticulasphatra mexicana zone, Navet formation, 

 Trinidad. 

 Figures 6a, b. Globigerina ciperoensis angustium- 164 

 bilicata Bolli 



6a, Spiral view of hypotype (USNM PS716). 

 6b, Umbilical view. From the Globorotaiia 

 cocoaensis zone, San Fernando formation, Trini- 

 dad. 

 Figures 7a-c. Globigerina parva Bolli 164 



7a, Spiral view of hypotype (USNM PS717). 

 7b, Umbilical view. 7c, Side view. From the 

 Globigerapsis semiinioluta zone, Navet formation, 

 Trinidad. 

 Figures 8a-c. Globigerina ampliapertura Bolli 164 



8a, Spiral view of hypotype (USNM PS718). 

 8b, Umbilical view. 8c, Side view. From the 

 Globorotaiia cocoaensis zone, San Fernando for- 

 mation, Trinidad. 

 Figures 9, 10. Specimens transitional between Glo- 164 

 borotalia centralis Cushman and Bermudez and 

 Globigerina ampliapertura Bolli 



9, Umbilical view of figured specimen (USNM 

 PS719a). 10, Umbilical view of figured specimen 

 (USNM PS719b). Both from the Globorotaiia 

 cocoaensis zone, San Fernando formation, Trini- 

 dad. 

 Figures lla-13b. "(Jlobigerinoides" higginsi Bolli, 164 

 new species 



11a, Umbilical view of holotype (USNM 

 PS720). lib, Side view. From the lower-mid- 

 dle Eocene, core in Atlantic Ocean, at lat. 30°43' 

 N., long. 62°28' W. 12a, Umbilical view of 

 paratype (USNM PS721a). 12b, Side view. 

 13a, Umbilical view of paratype (USNM 

 PS721b). 13b, Side view. Both from the 

 Hantkenina aragonensis zone, Navet formation, 

 Trinidad. 

 F"igures 14a-18b. (Jlobigerapsis index (Finlay) 16S 



14a, Spiral view of hypotype (USNM PS722a). 

 14b, Umbilical view. 15, Umbilical view of 

 hypotype (USNM PS722b). Both from the 

 Globigerapsis kugleri zone, Navet formation, 

 Trinidad. 16, Side view of hypotype (USNM 

 P5723). 17, Umbilical view of hypotype (USNM 

 P5724), with final chamber removed to show the 

 open umbilicus of the early globigerinid stage. 

 18a, Spiral view of juvenile specimen (USNM 

 PS725), showing early Globigerina stage. 18b, 

 Umbilical view. All from the Porticulasphaera 

 mexicana zone, Navet formation, Trinidad. 

 Figures 19, 20. Globigerapsis semiinvoluta (Keijzer) 16S 



19, Side view of hypotype (USNM PS726a). 

 20, Side view of hypotype (USNA-I PS726b). Both 

 from the Globigerapsis semiinvoluta zone, Navet 

 formation, Trinidad. 

 Figures 21a, b. Globigerapsis kugleri Bolli, Loeblich, 165 

 and Tappan 



21a, Spiral view of hypotype (USNM PS727). 

 21b, Side view. From the Globorotaiia lehneri 

 zone, Navet formation, Trinidad. 



273 



