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Taxon:
Infraphylum
Echinozoa
Haeckel, in Von Zittell, 1895
(echinoderm)
Taxa
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Entity:
Eleutherozoa (Subphylum)
..Asterozoa (Infraphylum)
..Echinozoa (Infraphylum)
....†Camptostromoidea (Class)
....†Cyclocystoidea (Class)
....Echinoidea (Class) - sea urchins and sand dollars
....†Edrioasteroidea (Class)
....†Edrioblastoidea (Class)
....†Helicoplacoidea (Class)
....Holothuroidea (Class) - sea cucumbers
....†Ophiocistioidea (Class)
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
2024
Available in Systema Naturae 2000
2c;20o;72f;232g;163s;2ss; †6c;11o;1f;23g;2s
1989-present
Systema Naturae 2000
2c;20o;74f;1018*g;2090s
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024