Asthenosoma

Asthenosoma is a genus of sea urchins in the family Echinothuriidae. Their spines are covered with harmful venom capsules.

Taxonomy
The World Echinoidea Database recognises the following species:
 * Asthenosoma dilatatum Mortensen, 1934
 * Asthenosoma ijimai Yoshiwara, 1897
 * Asthenosoma intermedium H.L. Clark, 1938
 * Asthenosoma marisrubri Weinberg & de Ridder, 1998 – "Red sea fire urchin"
 * Asthenosoma periculosum Endean, 1964
 * Asthenosoma striatissimum Ravn, 1928 †
 * Asthenosoma varium Grube, 1868 – "fire sea urchin".

"†" means an extinct taxon.