| Dermomurex, Favartia, Muricidae|
Dermomurex obeliscus is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Dermomurex obeliscus Wikipedia
The length of the shell varies between 15 mm and 33 m.
This species occurs in the Pacific Ocean from Mexico to Costa Rica.