Serratifusus harasewychi is a species of sea snail, a marine gastropod mollusc in the family Austrosiphonidae.

Etymology This species is named to honor Jerry Harasewych from the National Museum of Natural History, Smithsonian Institution, for his contributions the knowledge of columbariform molluscs.

Description The length of the shell attains 35.3 mm.

Distribution This marine species occurs off New Caledonia (depth range: 502–516 m).

References

Fraussen, K.; Hadorn, R. (2003). Six new Buccinidae (Mollusca: Gastropoda) from New Caledonia. Novapex. 4(2-3): 33-50