Knefastia limonensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.

[1] The length of the shell attains 54 mm.

This extinct marine species was found in Pliocene strata of northern Costa Rica and Miocene strata of Colombia and Panama; age range: 15.97 to 2.588 Ma

This article about prehistoric Pseudomelatomidae is a stub.

You can help Wikipedia by expanding it.