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Taxon:
Class †
Merostomoidea
Stormer, 1944
(arthropod)
Taxa
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Hierarchy
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Entity:
[Chelicerata] (Superclass)
..[†Aglaspidida] (Class)
..[†Aglaspidida] (Epiclass)
..[†Chasmataspida] (Class)
..[Euchelicerata] (Epiclass)
..[†Eurypteridea] (Class)
..[Merostomata] (Class) - horseshoe crabs
..[Pycnogonida] (Epiclass) - sea spiders
..[†Merostomoidea] (Class)
....†Nathorsthia (Genus)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Arthropoda
Current position
Chelicerata
(Superclass)
Heymons, 1901
Ref:
[Anonymous], 2007
: 4 Oct 2007.
Alternative positions
Arthropoda
(Phylum)
Siebold, 1848
Ref:
J.J. Sepkoski Jr., 2002
: 169.
Historical positions
Arthropoda
(Phylum)
Siebold, 1848
Ref:
J.J. Sepkoski Jr., 2002
: 169.
Number of Subtaxa
2024
Available in Systema Naturae 2000
†1g
2002
J.J. Sepkoski Jr.
: 170
[; †3o;11g]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024