Comitas sobrina is an extinct species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae.Worldwide Mollusc Species Data Base: Comitas sobrina
Distribution Fossils of this species were found in Cenozoic strata in Japan.
References
YOKOYAMA, Matajiro. "Tertiary mollusca from Dainichi in Totomi." The Journal of the College of Science, Imperial University of Tokyo, Japan 45 (1923): 1–18.