Vexillum caloxestum is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters.
Description The length of the shell attains 16 mm, its diameter 6 mm.
(Original description) The shell is obovate-fusiform. The pointed spire is turreted. The whorls are somewhat rounded above and sparingly plicate at the ribs. The interstices are pointed and striate. The colour of the shell is olive-green and lead. The body whorl is decorated with a narrow white band. The columella is four-plaited. The aperture is very dark within.Melvill, J. C. (1888). Descriptions of fifteen new species of Mitra. Journal of Conchology. 5(9): 281-288
Distribution This marine species occurs off the Andaman Islands.
References
Turner H. 2001. Katalog der Familie Costellariidae Macdonald, 1860. Conchbooks. 1–100 page(s): 22