Arcella corona Van Oye, 1926
Diagnosis: This species carries, at a certain distance from the mouth opening on the dome, a series of spines arranged in a circle. The mouth is retractable and at the top the shell is terminated in a hemispherical dome. Pseudostome slightly invaginated. The spines are slightly enlarged at their base.
Dimensions: Van Oye didn't give any measurements.
Ecology: River Ruki near Eala, Congo (1923)
Van Oye, P., 1926. Six rhizopodes nouveaux du Congo Belge. Arch. Zool. Exp. et Gen. 65:3,64-74.