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Taxon:
Infraphylum
Asterozoa
von Zittel, 1895
(echinoderm)
Taxa
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Hierarchy
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Entity:
Eleutherozoa (Subphylum)
..Echinozoa (Infraphylum)
..Asterozoa (Infraphylum)
....Asteroidea (Class) - sea stars
....Concentricycloidea (Class) - sea daisies
....Ophiuroidea (Class) - brittle stars and basket stars
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Echinodermata
Current position
Eleutherozoa
(Subphylum)
Bell, 1891
Ref:
T. Cavalier-Smith, 1998
: 237.
Historical positions
Eleutherozoa
(Subphylum)
Bell, 1891
Ref:
T. Cavalier-Smith, 1998
: table 4 (p. 237).
Number of Subtaxa
2025
Available in Systema Naturae 2000
3c;14o;57f;213g;146s;4ss;2v; †5o;2f;4g
1989-present
Systema Naturae 2000
3c;14o;57f
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Last updated:
1 Feb 2024