Megasurcula wynoocheensis
Megasurcula wynoocheensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. The name originates from the Wynoochee Valley of Washington state.
Description
The length of the shell attains 43 mm, its diameter 21.4 mm.This is a slender, high-spired turrid with a strongly concave whorl profile and sutures riding high upon the vertical segment of the preceding whorls.