Lacustrinella Loeblich & Tappan 1987

Test attached, diameter up to 0.58 mm, consisting of a few subglobular chambers of approximately equal size and closely appressed, upper surface rounded to centrally subconical and produced to the central aperture, lower surface flattened, periphery rounded; wall agglutinated, thin, consisting of randomly arranged siliceous sponge spicules with small amount of fine sand, that of lower surface membranous, translucent, and with less agglutinated material, commonly tom when specimens are freed from the substrate; apertures rounded, terminal on a slight projection at the center of each chamber. Holocene, brackish lakes, at 2 m depth; USA: Louisiana. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)