Lesquereusia spiculosa Playfair, 1917

Diagnosis: Shell wider than long, with a very straight neck; main body detached of the neck and bulging on one side, with regularly circular outline. Shell smooth, embedded with small straight ‘spicules’ mixed with a few siliceous (quartz?) particles, more specifically placed in the center of the test. Spicules appear not to be diatoms, according to Playfair.

Dimensions: Playfair: Length 108 µm; width 127 µm; pseudostome 42 µm.

Habitat: Freshwater. Australia.

References: Thomas, R., Gauthier-Lièvre, L., 1959: Le genre Lesquereusia Schlumberger 1845 (Rhizopodes testacés). Bull. Soc. d’Hist. Nat. l’Afrique du Nord, 388, 50: 34-86.