Massilinoides McCulloch 1977

Massilinoides es un género de foraminífero bentónico de la subfamilia Hauerininae, de la familia Hauerinidae, de la superfamilia Milioloidea, del suborden Miliolina​ y del orden Miliolida.​ Su especie tipo es Massilinoides hancocki. Su rango cronoestratigráfico abarca el Holoceno.

Test ovate in outline, slightly flattened, with truncate periphery, early chambers in quinqueloculine arrangement, later added in a single plane on alternate sides as in Spiroloculina; wall calcareous, imperforate, porcelaneous, surface with longitudinal striae; aperture terminal, rounded, with a simple to bifid tooth that may attach at the sides to result in a multiple aperture. Holocene; Gulf of California. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)