How to Identify Oreasteridae

Oreasteridae is a animal family in the Animalia kingdom, order Valvatida, class Asteroidea. The family contains 14 accepted species worldwide.

Key Identification Features

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Representative Oreasteridae Species

How to identify Nidorellia armata (Gray, 1840)

Nidorellia armata (Gray, 1840)

Nidorellia armata (Gray, 1840)

Nidorellia armata is the only species in genus Nidorellia, a chocolate chip star…

How to identify Anthaster valvulatus (Muller & Troschel, 1843)

Anthaster valvulatus (Muller & Troschel, 1843)

Anthaster valvulatus (Muller & Troschel, 1843)

Anthaster valvulatus, the brick red seastar, is the only species in the genus An…

How to identify Culcita novaeguineae Müller & Troschel, 1842

Culcita novaeguineae Müller & Troschel, 1842

Culcita novaeguineae Müller & Troschel, 1842

Culcita novaeguineae, the cushion star, is a sea star found in the Indian and Pa…

How to identify Protoreaster nodosus (Linnaeus, 1758)

Protoreaster nodosus (Linnaeus, 1758)

Protoreaster nodosus (Linnaeus, 1758)

Protoreaster nodosus, the horned sea star, is a chocolate chip-like Pacific star…

How to identify Choriaster granulatus Lütken, 1869

Choriaster granulatus Lütken, 1869

Choriaster granulatus Lütken, 1869

Choriaster granulatus is a relatively large Indo-Pacific sea star with five shor…

How to identify Oreaster reticulatus (Linnaeus, 1758)

Oreaster reticulatus (Linnaeus, 1758)

Oreaster reticulatus (Linnaeus, 1758)

Oreaster reticulatus, the red cushion star, is the largest sea star in its range…

How to identify Culcita schmideliana (Bruzelius, 1805)

Culcita schmideliana (Bruzelius, 1805)

Culcita schmideliana (Bruzelius, 1805)

Culcita schmideliana is an inflated pentagonal tropical western Indo-Pacific sta…

How to identify Pseudoreaster obtusangulus (Lamarck, 1816)

Pseudoreaster obtusangulus (Lamarck, 1816)

Pseudoreaster obtusangulus (Lamarck, 1816)

Pseudoreaster obtusangulus is the only species in its sea star genus, found off …

How to identify Protoreaster lincki (Blainville, 1830)

Protoreaster lincki (Blainville, 1830)

Protoreaster lincki (Blainville, 1830)

Protoreaster lincki, the red-knobbed starfish, is a carnivorous Indian Ocean sta…

How to identify Pentaceraster cumingi (Gray, 1840)

Pentaceraster cumingi (Gray, 1840)

Pentaceraster cumingi (Gray, 1840)

Pentaceraster cumingi is a 30 cm starfish from the East Pacific and Hawaii that …

Browse all 14 Oreasteridae species →

Frequently Asked Questions

How do you identify Oreasteridae?

Oreasteridae animals belong to the Valvatida order in the Animalia kingdom. It typically has five thick, broad arms that project from a large cushioned disc, though some individual specimens have four, six or seven arms. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Oreasteridae?

Oreasteridae is classified in the order Valvatida, class Asteroidea, phylum Echinodermata. The family contains 14 accepted species worldwide.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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