Cytharomorula vexillum is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

Distribution This marine species occurs off Japan.

References

Kuroda, T. (1953) New genera and species of Japanese Gastropoda (1). Venus, 17, 179–185 Houart R. (1995["1994"]) The Ergalataxinae (Gastropoda, Muricidae) from the New Caledonia region with some comments on the subfamily and the description of thirteen new species from the Indo-West Pacific. Bulletin du Muséum National d'Histoire Naturelle, Paris, ser. 4, 16(A, 2-4): 245-297 Houart R., Zuccon D. & Puillandre D., 2019. - Description of new genera and new species of Ergalataxinae (Gastropoda: Muricidae). Novapex 20(HS 12): 1-52