INDEX Introduction.................................................................................................................................... P. 5 List of samples studied for Foraminifera .................................................................................... P. 7 Alphabetic list of species found in the samples .......................................................................... P. 10 Notes on the distribution of some species .................................................................................. P. 16 Systematic part .............................................................................................................................. P. 19 Genus Reophax Montfort, 1808 .............................................................................................. P. 19 Reophax bilocularis Flint ............................................................................................ P. 19 Reophax compressus Goës .......................................................................................... P. 19 Reophax hispidulis Cushman ...................................................................................... P. 20 Reophax regularis Höglund ........................................................................................ P. 20 Reophax guttifer Brady ................................................................................................ P. 20 Reophax curtus Cushman ............................................................................................ P. 21 Reophax petrosus Mikhalewich .................................................................................. P. 21 Genus Ammobaculites Cushman, 1910 .................................................................................. P. 21 Ammobaculites agglutinans d'Orbigny ...................................................................... P. 22 Ammobaculites americanus Cushman ........................................................................ P. 22 Genus Martinottiella Cushman, 1933 .................................................................................... P. 22 Martinottiella pallida (Cushman)................................................................................ P. 23 Genus Liebusella Cushman, 1933 .......................................................................................... P. 23 Liebusella arenosa nov. spec....................................................................................... P. 24 Liebusella eleganta nov. spec....................................................................................... P. 25 Genus Nodobacularia Rhumbler, 1895 .................................................................................. P.25 Nodobacularia pustulosa nov. spec............................................................................. P. 25 Genus Sigmopyrgo nov. gen................................................................................................... P. 26