Species found in 116 samples from the Gulf of Cariaco. and its entrance were described. Two hundred and five species are included, embracing ninety-nine genera and sixteen new species. Asterotrochammina delicatula, Buccella bollii, B. caridadae, Buliminella silviae, Elphidium cariacoense, Globigerina rosacea, Neopateoris cumanaensis, Quinqueloculina denticarinata, Q. magoi, Q. petrophila, Q. riveroae, Q. venezuelaensis, Reophax arayaensis, Spirillina cariacoensis, Triloculina baldai, Miliolinella Ioebliche, and a new genus is also described : Neopateoris.