TROPICAL PACIFIC FORAMINIFERA OF "ALBATROSS" 23 



Genus SIPHONINOIDES Cushman, 1927 



SIPHONINOIDES ECHINATUS (Brady) 



Plate 15, Figures 5, 6 



Planorbulina echinata Brady, 1879, Quart. Journ. Micr. Sci., vol. 19, p. 283, pi. 8, 



fig. 31. 

 Truncatulina echinata Brady, 1884, Rep. Voy. Challenger, Zoology, vol. 9, p. 670, 



pi. 96, figs. 9-14. 

 Siphoninoides echinata (H. B. Brady). — Cushman, 1927, Contr. Cushman Lab. 



Foram. Res., vol. 3, p. 77, pi. 16, fig. 12; 1927, Proc. U.S. Nat. Mus., vol. 72, 



art. 20, p. 13, pi. 4, figs. 7, 8. — Said, 1949, Cushman Lab. Foram. Res. Spec. 



Publ. 26, p. 38, pi. 4, fig. 6.— Cushman, Todd, and Post, 1954, U.S. Geol. 



Surv. Prof. Paper 260-H, p. 361, pi. 89, figs. 31, 32.— Todd, 1957, U.S. 



Geol. Surv. Prof. Paper 280-H, p. 290 (tbl. 4), pi. 91, fig. 7.— Graham and 



Militante, 1959, Stanford Univ. Publ., Geol. Sci., vol. 6, no. 2, p. 102, pi. 16, 



fig. 2. 



This cosmopolitan species is found rarely in only a very few of the 

 shallow-water samples. 



Genus ORIDORSALIS Andersen, 1961 



ORIDORSALIS UMBONATUS (Reuse) 



Plate 6, Figure 2 



Rotalina umbonata Reuss, 1851, Zeitschr. Deutsch. Geol. Gesell., vol. 3, p. 75, pi. 5, 

 fig. 35. 



Eponides umbonata (Reuss). — Cushman, 1929, Contr. Cushman Lab. Foram. 

 Res., vol. 5, p. 98, pi. 14, fig. 8; 1931, U.S. Nat. Mus. Bull. 104, pt. 8, p. 52, 

 pi. 11, figs. 1-3; 1936, Bull. Geol. Soc. Amer., vol. 47, p. 424, pi. 3, fig. 4.— 

 Cushman and Henbest, 1940, U.S. Geol. Surv. Prof. Paper 196- A, pi. 10, 

 fig. 1. — Cushman, 1941, Amer. Journ. Sci., vol. 239, pi. 5, figs. 20-22. — 

 Parker, 1948, Bull. Mus. Comp. Zool., vol. 100, p. 238 (list), pi. 6, fig. 1 — 

 Phleger and Parker, 1951, Geol. Soc. Amer. Mem. 46, pt. 2, p. 22, pi. 11, 

 figs. 10, 13, 14. 



Pseudoeponides umbonatus (Reuss). — Uchio, 1953, Jap. Journ. Geol. Geogr., 

 vol. 23, p. 157, pi. 14, fig. 7.— Parker, 1954, Bull. Mus. Comp. Zool., vol. Ill, 

 no. 10, p. 530, pi. 9, figs. 20, 21. 



Truncatulina tenera Brady, 1884, Rep. Voy. Challenger, Zoology, vol. 9, p. 665, 

 pi. 95, fig. 11. 



Eponides tenera (H. B. Brady). — Cushman, Stewart, and Stewart, 1930, Trans. 

 San Diego Soc. Nat. Hist., vol. 6, p. 72, pi. 6, fig. 3. 



Eponides tener (Brady). — Martin, 1952, Contr. Cushman Found. Foram. Res., 

 vol. 3, p. 124, pi. 19, fig. 7.— Bandy, 1953, Journ. Paleont., vol. 27, no. 2, 

 p. 172, pi. 23, fig. 3. 



Examination of a topotype of Rotalina umbonata Reuss from the 

 Oligocene of Hermsdorf near Berlin, Germany, leads me to conclude 

 that this species belongs in the recently erected genus Oridorsalis. 

 Even though Uchio (1953, p. 157, pi. 14, fig. 7) included this species 

 in his genus Pseudoeponides, it now seems better to separate the species 

 umbonatus from the several species that are closely similar to Pseudo- 

 eponides japonicus (type species of Pseudoeponides) and place it in 



