Revision of the genus Valvobifarina Hofker, 1951 (Foraminiferida)
Abstract. The genus Valvobifarina is exhaustively revised to include three species; V. mackinnonii (Millett), the type species, V. robusta (Sidebottom), and V. niobeae sp.nov. All species are typified. Bifarina elongata Millett, 1900 is excluded from Valvobifarina.