Exilia hilgendorfi is a species of sea snail, a marine gastropod mollusc in the family Ptychatractidae.

[2] The length of the shell attains 90.5 mm.

This marine species occurs off Madagascar; also off the east coast of Japan, from the Boso peninsula and Hachijo Island southwards (50–480 m depth) to the South China Sea (339–633 m depth) and the Solomon Islands (504–862 m depth).

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