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Monotypic taxon:
Class
Concentricycloidea
Baker
et al.
, 1986
- sea daisies
(echinoderm)
Taxa
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Hierarchy
Nomenclature
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Entity:
Asterozoa (Infraphylum)
..Asteroidea (Class) - sea stars
..Ophiuroidea (Class) - brittle stars and basket stars
..Concentricycloidea (Class) - sea daisies
....Xyloplax (Genus)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Echinodermata
Current position
Asterozoa
(Infraphylum)
von Zittel, 1895
Ref:
R.C. Brusca & G.J. Brusca, 1990
: 804.
[indirect]
Alternative positions
Echinodermata
(Phylum)
Bruguière, 1789
Ref:
C. Nielsen, 1995
Eleutherozoa
(Subphylum)
Bell, 1891
Ref:
R.C. Brusca & G.J. Brusca, 1990
: 804.
Historical positions
Echinodermata
(Phylum)
Bruguière, 1789
Ref:
1998
Echinodermata
(Phylum)
Bruguière, 1789
Ref:
C. Nielsen, 1995
Eleutherozoa
(Subphylum)
Bell, 1891
Ref:
R.C. Brusca & G.J. Brusca, 1990
Number of Subtaxa
2025
Available in Systema Naturae 2000
1g;2s
1989-present
Systema Naturae 2000
1g2s
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Last updated:
1 Feb 2024