Knefastia limonensis

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

Description
The length of the shell attains 54 mm.

Distribution
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