FORAMINIFERA OF VENEZUELA— GRAVELL 



13 



pp. 796-797) places all of the above in the Eocene. Lepidocydina mac- 

 donaldi is common to both the Guayaval series (Cerro Campana 

 limestone) and the upper Eocene of Panama. 



The upper Eocene of Jamaica, Vaughan (57, p. 279), contains 

 Dictyoconus codmi Woodring, D. fontabellensis (Vaughan), Disco- 

 cyclina crassa (Cushman), Discocyclma sp. aflf., Discocyclina pustu- 

 lata (Cushman), Discocyclina perkinsi Vaughan, D. (Asterocyclina) 

 georgiana (Cushman), D. (Asterocyclina) sp. indet., L. (Pliolepi- 

 dina) kinlosse nsis Vaughsin, L. {Lepidocydina) niacdonaldi Cushman, 

 L. {Lepidocydina) trinitatis H. Douville, L. {Lepidocydina) sher- 

 woodensis Vaughan, L. {Nephrolepidina) haddingtonensis Vaughan, 

 L. sp. cf. {Nephrolepidina) perundosa Cushman. 



L. (Lepidocydina) trinitatis H. Douville, L. (Lepidocydina) niac- 

 donaldi Cushman, and species of the genus Asterocyclina are common 

 to both the upper Eocene of Jamaica and the Guayaval (Cerro Cam- 

 pana limestone) of Venezuela. 



The upper Eocene of Trinidad contains several species which also 

 occur in the upper Eocene deposits of Venezuela. These species are 

 L. (Lepidocydina) trinitatis H. Douville, and D. (Asterocyclina) 

 asterisca (Guppy). 



It appears that the Guayaval series (Cerro Campaiia limestone) 

 may be safely considered approximately the equivalent of the Ocala 

 limestone of Florida, Georgia, and Alabama ; with at least part of the 

 Lobitos shales of northwestern Peru ; and with a formation exposed 

 on sea cliffs near Ancon, province of Guayas, Ecuador. 



Several papers have been published on the larger foraminifera of 

 the upper Eocene Ceroe di Cueba Hmestone of the island of Curagao 

 by Koch (28, 1926), L. Rutten (39, 1928), and Rutten and Vermunt 

 (41, 1932). Koch considered the limestone to be lower Oligocene in 

 age. L. Rutten recognized the fauna to be Eocene. M. G. Rutten and 

 Vermunt (41, p. 7) regard the Ceroe di Cueba limestone as upper 

 Eocene. 



The Guayaval series (Cerro Campaiia limestone) of Venezuela may 

 be approximately equivalent in age to the Ceroe di Cueba, since both 

 formations contain L. trinitatis H. Douville and L. macdoualdi 

 Cushman, also specimens of Operculina and Camerina .{" Num- 

 niidites"). The chief difference in faunas is that in Ceroe di Cueba 

 Discocyclina and Asterocyclina are absent, these subgenera not having 

 yet been reported in the literature on Curagao. 



The Pauji shale is represented by a collection from only one 

 locality. The material contains no large foraminifera. 



