Genus Alabasta Duckert, Blandenier, Kosakyan and Singer, in press
Diagnosis: The test rigid, colourless or yellowish, elongated in broad view with a maximal width at about the two thirds from the aperture and the sides then tapering towards the aperture. Test proteinaceous often with incorporated silica scales taken from euglyphid preys. The pseudostome strongly convex with a flare (fan shaped) in broad view and a deep notch in profile. Lateral pores usually present at about one third of the distance from the pseudostome to the fundus.
Type species: Alabasta militaris (Penard 1890) Duckert, Blandenier, Kosakyan and Singer, 2019
Nebela militaris Penard 1890;
N. kivuense Gauthier-Lièvre and Thomas 1961;
N. longicollis Penard 1890.