Mitra umbrosa G. B. Sowerby II, 1874 Vexillum umbrosum is a species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.

[1] The colouring of the shell is dark rich burnt brown.

The ribs more defined than in Voluta vulpecula Linnaeus, 1758, raised into tubercles at the angle of the whorls.

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