Daphnella tasmanica Tenison-Woods, 1877 Asperdaphne tasmanica is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

(Original description) The small shell is tumidly ovate.

It contains 6 whorls, convex, subangulate, neatly keeled.

The keels are small, rounded, elevated; It is elegantly cancellate, with regular distant small lirae.

The outer lip is thin and deeply sinuated posteriorly.