Plate 60. NANAFALIA CHILOGUEMBELINA AND GLOBOROTALIA 



(All figures: a, spiral view; b, umbilical \-ic\v; c, edge view; 



:145) 



Page 



Figure 1. Globorotalia rex Martin 195 



Hypotype (USNM P5867), showing flattened 

 spiral side with raised and curved sutures, 

 peripheral keel, inflated and spinose umbilical 

 side and subangular umbilical shoulder. 

 Figure 2. Globorotalia pseudotopilensis (Subbotina) 194 

 Hypotype (USNM P5869), showing few 

 chambers per whorl, and cuneate shape of final, 

 somewiiat discrete, chamber, smooth spiral side 

 and spinose umbilical side and low arched aperture. 

 Figure 3. Globorotalia aequa Cushman and Renz 186 

 Hypotype (USNM PS863), showing less dis- 

 crete and cuneate final chamber and sharper 

 keeled periphery than in G. pseudotopilensis. 

 FiGirRE 4. Globorotalia troelseni Loeblich and Tap- 196 

 pan, new species 



Holotype (USNM PS687), showing nearly 

 evolute test, with tendency to uncoil, nearly 

 bilaterally symmetrical chambers and peripheral 

 keel. 

 Figure S. Globorotalia perclara Loeblich and Tap- 191 

 pan, new species 



Page 

 Paratypc (US.XM P5827), showing small size, 

 globular chambers, depressed s[iire and spinose 

 surface. 

 Figure 6. Chilogutmbelina crinita ((jlaessner) 178 



Side view of hypotype (USNM P5116), showing 

 flared test, asymmetrical aperture and spinose 

 upper surface. 

 Figure 7. Globorotalia reissi Loeblich and Tappan, 194 

 new species 



Paratype (I'SNM P5837), showing smooth sur- 

 face, numerous chambers and somewhat elevated 

 spire. 

 Figure 8. (jloborotalia pseudomrnardii Bolli 193 



Hypotype (USNM P5706), showing peripheral 

 keel, curved and limbatc sutures on the flattened 

 spiral side and depressed sutures on the convex 

 umbilical side. 

 Figure 9. Globorotalia elongata Glaessner 189 



Hypotype (L^SNM P5694), showing depressed 

 sutures on both sides, and subacute, but not 

 keeled, periphery. 



297 



