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Taxon:
Superclass
Chelicerata
Heymons, 1901
(arthropod)
Taxa
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Hierarchy
Nomenclature
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Entity:
[Cheliceriformes] (Infraphylum)
..[†Emeraldellida] (Superclass)
..[†Sanctacarida] (Superclass)
..[†Sidneyiida] (Superclass)
..[Chelicerata] (Superclass)
....[†Aglaspidida] (Epiclass)
....[†Aglaspidida] (Class)
....[†Chasmataspida] (Class)
....[Euchelicerata] (Epiclass)
....[†Eurypteridea] (Class)
....[Merostomata] (Class) - horseshoe crabs
....[†Merostomoidea] (Class)
....[Pycnogonida] (Epiclass) - sea spiders
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Arthropoda
Current position
Cheliceriformes
(Infraphylum)
Ref:
D. Grimaldi & M.S. Engel, 2005
: table 3.2.
Alternative positions
Arthropoda
(Phylum)
Siebold, 1848
Ref:
R.S. Boardman et al., 1987
Schizoramia
(Phylum)
Bergström, 1976a
Ref:
X. Hou & J. Bergström, 1997
: 112.
Historical positions
Cheliceriformes
(Infraphylum)
Ref:
D. Grimaldi & M.S. Engel, 2005
: 100, table 3.2.
Schizoramia
(Phylum)
Bergström, 1976a
Ref:
X. Hou & J. Bergström, 1997
: 112.
Arthropoda
(Phylum)
Siebold, 1848
Ref:
R.S. Boardman et al., 1987
Number of Subtaxa
1989-present
Systema Naturae 2000
[3c;19o;753f]
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Last updated:
1 Feb 2024