Asthenosoma is a genus of
sea urchin
Sea urchins or urchins () are echinoderms in the class (biology), class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal zone to deep seas of . They typically have a globular body cove ...
s 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
''Asthenosoma marisrubri'' ('flexible body of the Red Sea'), aka Red Sea fire urchin and toxic leather sea urchin , is a relatively common sea urchin with a widespread distribution in the Indo-Pacific, and was till 1998 considered a color variant ...
''
Weinberg & de Ridder, 1998 – "Red sea fire urchin"
* ''
Asthenosoma periculosum''
Endean, 1964
* ''
Asthenosoma striatissimum
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
* ''A ...
''
Ravn, 1928 †
* ''
Asthenosoma varium
''Asthenosoma varium'' is a sea urchin (an echinoderm, a member of the phylum that also includes star fish). Growing up to in diameter, it lives on sand and rubble sea bottoms in the Indo-Pacific, from the Red Sea to Australia and Southern Japan ...
''
Grube, 1868 – "fire sea urchin".
"†" means an
extinct
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
taxon
In biology, a taxon (back-formation from ''taxonomy''; : taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and ...
.
Image:Pygmy Cuttlefish on Fire Seaurchin.jpg, ''Asthenosoma varium
''Asthenosoma varium'' is a sea urchin (an echinoderm, a member of the phylum that also includes star fish). Growing up to in diameter, it lives on sand and rubble sea bottoms in the Indo-Pacific, from the Red Sea to Australia and Southern Japan ...
''
Image:Toxic Leather Sea Urchin - Asthenosoma marisrubri.jpg, ''Asthenosoma marisrubri
''Asthenosoma marisrubri'' ('flexible body of the Red Sea'), aka Red Sea fire urchin and toxic leather sea urchin , is a relatively common sea urchin with a widespread distribution in the Indo-Pacific, and was till 1998 considered a color variant ...
''.
References
Extant Middle Jurassic first appearances
Echinoidea genera
{{Echinoidea-stub