ecofactbook
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species
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Animalia
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Echinodermata
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Asteroidea
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Urasterellidae
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Urasterella
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Asterias asperula
Palaeaster asperrima
Palaeaster montanus
Palaeaster pulchellus
Stenaster grandis
Stenaster huxleyi
Urasterella thraivensis
Urasterella ulrichi
Urasterella verruculosa
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Asterias asperula