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Taxon:
Superclass †
Sidneyiida
(arthropod)
Taxa
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Hierarchy
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Entity:
[Cheliceriformes] (Infraphylum)
..[Chelicerata] (Superclass)
..[†Emeraldellida] (Superclass)
..[†Sanctacarida] (Superclass)
..[†Sidneyiida] (Superclass)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Arthropoda
Current position
Cheliceriformes
(Infraphylum)
Ref:
D. Grimaldi & M.S. Engel, 2005
: table 3.2.
Historical positions
Cheliceriformes
(Infraphylum)
Ref:
D. Grimaldi & M.S. Engel, 2005
: table 3.2.
Number of Subtaxa
1989-present
Systema Naturae 2000
†1o;1f
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Last updated:
1 Feb 2024