Omphalotukaia is a genus of sea snails, marine gastropod mollusks, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.

[1] Species within the genus Omphalotukaia include:[1] The following species were brought into synonymy:[1] Omphalotukaia midwayensis Lan, 1990

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