''Rosaster'' is a genus of

echinoderm An echinoderm () is any animal of the phylum Echinodermata (), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". While bilaterally symmetrical as ...

s 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 Goniast ...

. The species of this genus are found in America, Indian Ocean,

Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms. It is a phytogeographical floristic region in the Paleotropical kingdom. It was first recognized as a distinct region ...

. Species: *'' Rosaster alexandri'' *'' Rosaster attenuatus'' *'' Rosaster bipunctus'' *'' Rosaster cassidatus'' *'' Rosaster confinis'' *'' Rosaster endilius'' *'' Rosaster florifer'' *'' Rosaster mamillatus'' *'' Rosaster mimicus'' *'' Rosaster nannus'' *'' Rosaster symbolicus''

References

{{Taxonbar, from=Q3456339 Goniasteridae Asteroidea genera