Classification of the subgenus Sowerbyella (Viruella)
Subg. †Sowerbyella (Viruella) Roomusoks 1959
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†Sowerbyella (Viruella) liliifera Opik 1930
†Sowerbyella (Viruella) limata Opik 1930
†Sowerbyella (Viruella) minima Rõõmusoks 1959
†Sowerbyella (Viruella) orvikui Rõõmusoks 1959
†Sowerbyella (Viruella) uhakuana Rõõmusoks 1959