FORAMINIFERA OF THE ATLANTIC OCEAN 



11 



Genus PATELLINA Williamson, 1858 



Patellina Williamson, Rec. Foram. Gt. Britain, 1858, p. 46. — H. B. Brady, 

 Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 633. — Chapman, The Forami- 

 nifera, 1902, p. 216.— Ctjshman, Bull. 71, U. S. Nat. Mus., pt. 5, 1915, 

 p. 8; Special Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 268. 



Genoholotype. — Patellina corrugata Williamson. 



Test conical or plano-convex, early whorls undivided, and occasion- 

 ally entire specimens without divisions and like Spirillina, later ones 

 usually divided into long chambers often with internal sinuous septa; 

 wall calcareous, perforate, thin; aperture elongate at the base of the 

 ventral side of the chamber. 



This genus is a simple and primitive one with the microspheric form 

 especially showing often a long undivided second chamber of several 

 coils before the chambered condition is taken on. It is found in the 

 Permian, and continues to the present oceans. (For notes on the 

 various species see Cushman, Some Notes on the Genus Patellina — 

 Contr. Cushman Lab. Foram. Res., vol. 6, 1930, pp. 11-17, pi. 3.) 



PATELLINA CORRUGATA WiUiamson 



Plate 2, figures 6, 7 



Patellina corrvgata Williamson, Rec. Foram. Gt. Britain, 1858, p. 46, 

 pi. 3, figs. 86-89.— H. B. Brady, Trans. Linn. Soc. Zool., vol. 24, 1864, 

 p. 471; Nat. Hist. Trans. Northumberland and Durham, vol. 1, 1865 (1867), 

 p. 105. — Parker and Jones, Philos. Trans., vol. 155, 1865, p. 398, pi. 15, 

 figs. 29 a-c. — H. B. Brady, Ann. Mag. Nat. Hist., ser. 4, vol. 6, 1870, 

 p. 66. — Terquem, Essai Class. Anim. Dunkerque, 1875, p. 31, pi. 4, 

 figs. 3a, b. — H. B. Brady, Ann. Mag. Nat. Hist., ser. 5, vol. 8, 1881, p. 

 412; Denkschr. Akad. Wiss., vol. 43, 1881, p. 16; Rep. Voy. Challenger, 

 Zoology, vol. 9, 1884, p. 634, pi. 86, figs. 1-7. — Balkwill and Wright, 

 Trans. Roy. Irish Acad., vol. 28, 1885, p. 349. — Siddall, Proc. Lit. 

 Philos. Soc. Liverpool, 1886, p. 70. — Halkyard, Trans. Manchester 

 Micr. Soc, 1889, p. 69. — Chaster, First Rep't Southport Soc. Nat. 

 Sci., 1890-91 (1892), p. 65. — Wright, Proc. Roy. Irish Acad., ser. 3, 

 vol. 1, 1891, p. 489. — Woodward, The Observer, vol. 4, 1893, p. 176. — 

 Goes, Kongl. Sveusk. Vet. Akad. Handl., vol. 25, No. 9, 1894, p. 92.— 

 Morton, Proc. Portland Soc. Nat. Hist., vol. 2, 1897, p. 120.— Readb, 

 Geol. Mag., dec. 4, vol. 7, 1900, pi. 5, fig. 20.— Wright, Irish Nat., vol. 

 9, 1900, p. 55. — Kiaer, Rep't Norwegian Fish. Mar. Invest., vol. 1, 

 No. 7, 1900, p. 23. — Whiteaves, Geol. Surv. Canada, 1901, p. 10. — 



