Lissotesta liratula is a species of sea snail, a marine gastropod mollusk in the superfamily Seguenzioidea.
The shell was collected during the Belgian Antarctic Expedition on 18 October 1898. It was found to attain a height of 1.1 mm. The species is characterized by numerous spirals. Compared to lissotesta similis, liraluta has a wider umbilicus.
This species is found in Antarctic waters: Weddell Sea, Bellingshausen Sea at a depth of 500 m.