Cushion Stars and Allies - Family: Oreasteridae
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Acheronaster tumidus
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Anthenea sydneyensis
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Nectriaster monacanthus
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Pentaceraster sp. (possible occurrence)
Taxonomy:
Phylum: Echinodermata (Echinoderms)
> Subphylum: Asterozoa (Sea Stars and Brittle Stars)
> Class: Asteroidea (Sea Stars)
> Superorder: Valvatacea (Valvatacean Sea Stars)
> Order: Valvatida (Valvatidan Sea Stars)
> Family: Oreasteridae (Stichasterid Sea Stars)
> Genus: Acheronaster
> Species: A. tumidus
> Genus: Anthenea
> Species: A. sydneyensis
> Genus: Nectriaster
> Species: N. monacanthus
> Genus: Pentaceraster ^
> Species: ?
^ = possibly
* = likely
References and links:
Photographic contributions: