See text Elpidia is a genus of deep-sea sea cucumbers.
Members are characterised by their rod-shaped spicules which each have two pairs of obliquely placed horizontal arms and two vertical apophyses.
[1] There is a high degree of endemism in this genus with different species occupying different deep sea basins or regions.
[2] The following species are recognised in the genus Elpidia:[1]
This article about a sea cucumber is a stub.