FORAMINIFERA OF THE ATLANTIC OCEAN 57 



Genus PLANOPULVINULINA Schubert, 1920 



Planopulvinulina Schubert, Pal. Zeitschr., vol. 3, 1920, p. 153. — Cushman, 

 Special Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 273. 



PulvinuUna (part) H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, 

 p. 687. 



Genotype, by designation. — PulvinuUna dispansa H. B. Brady. 



Test trochoid in the early stages, later becoming very irregular in 

 form but the chambers not annular; ventral face of the chambers 

 with large pores which apparently serve as the apertures. 



Late Tertiary and Recent. 



This is apparently a genus which has its nearest relationships, as 

 suggested by Brady, with Eponides punctulata (d'Orbigny). With 

 it, Schubert included Planorbulina vermiculata d'Orbigny, a form 

 closely related to Cibicides and later made the genotype of Cyclo- 

 cibicides Cushman. The development and relationships of the two- 

 forms are very different. 



PLANOPULVINUUNA DISPANSA (H. B. Brady) 



Plate 15, figures 3 a, 6 



PulvinuUna dispansa H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, 

 p. 687, pi. 115, figs. 3 a-c. — Woodward, The Observer, vol. 4, 1893, p. 177. 



Planopulvinulina dispansa Schubert, Pal. Zeitschr., vol. 3, 1920, p. 153. — Cush- 

 man, Special Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 273, pi. 53, 

 fig. 18. 



"Test adherent (or free?), spreading, outline irregularly lobulated; 

 composed of numerous segments of various sizes and shapes, arranged 

 in an obscure, depressed, irregular, Rotaliform spire. Superior sur- 

 face beset with minute exogenous beads or tubercles; inferior smooth, 

 coarsely perforated. Aperture indistinct. Diameter, one-sixth inch 

 (4 mm.), or more." 



Brady's types are from off Madeira. He also records less typical 

 specimens from Challenger Station 24, off Culebra Island, West In- 

 dies, 390 fathoms. 



Goes records the species from off the Azores, but his figures show 

 that the specimens he had are not the same as this species. Koch 

 records it from the Middle Tertiary of East Borneo with considerable 

 question. 



Genus ROTALIA Lamarck, 1804 



Rolalia Lamarck, Ann. Mus., vol. 5, 1804, p. 184. — H. B. Brady (part). 

 Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 702. — Chapman (part). 

 The Foraminifera, 1902, p. 223. — Cushman, Special Publ. No. 1, Cushman 

 Lab. Foram. Res., 1928, p. 273. 



Nautilus (part) of Authors. 



Streblus Fischer, Mdm. Soc. Imp. Nat. Moscou, vol. 5, 1817, p. 44ft (gpno- 

 holotype, Slreblus tortuosus Fischer). 



