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Taxon: Order †
Chasmataspidida
Caster & Brooks, 1956
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Taxon:
Natura - nature
..Mundus - physical world
....Naturalia - natural bodies
......Biota
........Domain Eukaryota - eukaryotes
..........Unikonta
............Opisthokonta
..............Holozoa
................Kingdom Animalia - animals
..................Epitheliozoa
....................Eumetazoa - eumetazoans
......................Bilateria - bilaterians
........................Eubilateria
..........................Protostomia
............................Ecdysozoa - ecdysozoans
..............................Superphylum Panarthropoda
................................Phylum Arthropoda - arthropods
..................................Euarthropoda
....................................Subphylum Arachnomorpha
......................................Infraphylum Cheliceriformes
........................................Superclass Chelicerata
..........................................Epiclass Euchelicerata
............................................Class Arachnida
............................................Class †Eurypterida - sea scorpions
............................................Class Xiphosura - horseshoe crabs
............................................Order †Chasmataspidida
Paleontology
Geologic time
:
Cambrian
-
Devonian
Ref:
J.A. Dunlop et al. (comps.), 2011b
: 15
©2004-2012 Universal Taxonomic Services
Last updated: 7 Apr 2012