''Ryukuaster'' is a
monotypic genus of
echinoderms belonging to the family
Goniasteridae
Goniasteridae (the biscuit stars) constitute the largest family of sea stars, included in the order Valvatida. They are mostly deep-dwelling species, but the family also include several colorful shallow tropical species.
Description
Goni ...
. The only species is ''Ryukuaster onnae''.
The species is found in Japan.
References
Goniasteridae
Asteroidea genera
Monotypic echinoderm genera
{{Asteroidea-stub