Padaungiella longitubulata (Gauthier-Lièvre, 1952) Kosakyan et al., 2025

Diagnosis: Shell lageniform in broad view, compressed, with the main body very elongated and a sub-cylindrical narrow neck. Shell hyaline greyish, composed of irregular plates widely spaced from one another. Pseudostome ovoid in frontal view, with a smooth yellowish-brown, organic rim.

Dimensions: According to Gauthier-Lièvre (1952): Shell length 120 µm, width 45 µm; neck 45 µm long.

Ecology: Aquatic sediments and soils.

Distribution: Africa, Europe, South America.

References: Kosakyan, A., Meisterfeld, R., Lara, E., Duckert, C., Mitchell, E., 2025. A taxonomic monograph of hyalospheniid testate amoebae. Amoebozoa: Arcellinida: Hyalospheniformes, Mémoire XIV. Éditions Alphil-Presses universitaires suisses, Neuchâtel.