Cantharidus crenelliferus is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

The imperforate shell has an elevated conical shape.

The planulate whorls with packed lirae, that are crenulate and transverse.

The white columella is curved and truncated at its base.

[2] This marine species is endemic to Australia; it occurs off Queensland.