Taxonomic Hierarchy
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| Kingdom | Animalia
– Animal, animaux, animals |
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| Subkingdom | Bilateria
– triploblasts |
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| Infrakingdom | Deuterostomia
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| Phylum | Echinodermata Bruguière, 1791 [ex Klein, 1734]
– echinoderms, échinodermes, bolacha da praia, equinoderma, equinodermata, estrela do mar, ouriço do mar |
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| Subphylum | Asterozoa
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| Class | Asteroidea de Blainville, 1830
– étoiles de mer, stelléridés, estrela do mar, sea stars, starfishes, starfish, estrella de mar |
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| Superorder | Valvatacea Blake, 1987
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| Order | Valvatida Perrier, 1884
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| Family | Goniasteridae Forbes, 1841
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| Genus | Sphaeriodiscus Fisher, 1910 |
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Direct Children: |
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| Species | Sphaeriodiscus ammophilus (Fisher, 1906)
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| Species | Sphaeriodiscus bourgeti (Perrier, 1885)
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| Species | Sphaeriodiscus inaequalis (Gray, 1847)
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| Species | Sphaeriodiscus irritatus H. E. S. Clark in H. E. S. Clark & McKnight, 2001
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| Species | Sphaeriodiscus maui McKnight, 1973
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| Species | Sphaeriodiscus mirabilis A. M. Clark, 1976
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| Species | Sphaeriodiscus scotocryptus Fisher, 1913
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