Calliostoma xylocinnamomum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.

[2] Some authors place this taxon in the subgenus Calliostoma (Ampullotrochus) .

The height of the shell attains 11 mm.

This marine species occurs in the Pacific Ocean off the Fiji Islands and Wallis and Futuna.

This Calliostomatidae-related article is a stub.