Class Holothuroidea | Subclass Aspidochirotacea | |
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Elpidia is a genus of deep-sea swimming sea cucumbers. Members are characterised by their rod-shaped spicules which each have two pairs of obliquely-placed horizontal arms and two vertical apophyses. There is a high degree of endemism in this genus with different species occupying different deep sea basins or regions.
Species
The World Register of Marine Species recognises the following species:
References
Elpidia Wikipedia(Text) CC BY-SA