Article · Wikipedia archive · Last revised Jul 11, 2026

Labidiaster

Labidiaster is a genus of echinoderms belonging to the family Heliasteridae. The species of this genus are found in the coasts of Antarctica and southernmost South America. The life cycle of all Labidiaster animals starts with an embryo that will hatch into planktonic larvae, and later transform into pentamerous juvenile sea stars.

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Labidiaster
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Echinodermata
Class: Asteroidea
Order: Forcipulatida
Family: Heliasteridae
Genus: Labidiaster
Lütken, 1871

Labidiaster is a genus of echinoderms belonging to the family Heliasteridae.1 The species of this genus are found in the coasts of Antarctica and southernmost South America.1 The life cycle of all Labidiaster animals starts with an embryo that will hatch into planktonic larvae, and later transform into pentamerous juvenile sea stars.2

Two species are recognized:1

References

References

  1. "Labidiaster Lütken, 1871". GBIF. Retrieved 30 September 2021.
  2. "Labidiaster radiosus, Fragile sticky ray star". www.sealifebase.se. Retrieved 2025-11-03.