Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Current position

Chelicerata (Subphylum) Heymons, 1901

Ref: M.A. Ruggiero et al., 2015b: 37.

Alternative positions

Arthropoda (Phylum) Siebold, 1848	Ref: J.J. Sepkoski Jr., 2002: 169.
Chelicerata (Superclass) Heymons, 1901	Ref: [Anonymous], 2007: 4 Oct 2007.
Chelicerata ([unranked]) Heymons, 1901	Ref: E.J. van Nieukerken, 2010: 158.
Cheliceriformes (Subphylum)	Ref: R.C. Brusca & G.J. Brusca, 1990: 463.
Pycnogonida (Epiclass) Latreille, 1810	Ref: E.J. van Nieukerken, 2010: 158. [indirect]

Historical positions

Chelicerata (Subphylum) Heymons, 1901	Ref: J.A. Dunlop et al., 2020: 4.
Euarthropoda (Phylum) Lankester, 1904	Ref: C. Aria et al., 2020: fig. 6a.
Chelicerata (Subphylum) Heymons, 1901	Ref: M.A. Ruggiero et al., 2015b: 37.
Chelicerata (Subphylum) Heymons, 1901	Ref: Z.-Q. Zhang, 2013: 18.
Chelicerata (Subphylum) Heymons, 1901	Ref: J.C. Lamsdell, 2013: 19, fig. 7.
Chelicerata ([unranked]) Heymons, 1901	Ref: J.A. Dunlop et al., 2012: 4. [inferred rank]
Chelicerata (Subphylum) Heymons, 1901	Ref: Z.-Q. Zhang, 2011: 99.
Chelicerata ([unranked]) Heymons, 1901	Ref: E.J. van Nieukerken, 2010: 158.
Arthropoda (Phylum) Siebold, 1848	Ref: J.A. Coddington et al., 2004: fig. 18.1. [inferred rank]
Arthropoda (Phylum) Siebold, 1848	Ref: J.J. Sepkoski Jr., 2002: 169.
Chelicerata (Subphylum) Heymons, 1901	Ref: 1995
Cheliceriformes (Subphylum)	Ref: R.C. Brusca & G.J. Brusca, 1990: 463.
Chelicerata (Subphylum) Heymons, 1901	Ref: R.C. van Caenegem et al., 1979-1984
Chelicerata (Subphylum) Heymons, 1901	Ref: J.W. Hedgpeth, 1982: 169, 172-173.
Chelicerata (Subphylum) Heymons, 1901	Ref: L. Margulis & K.V. Schwartz, 1982: 226.
Chelicerata (Subphylum) Heymons, 1901	Ref: T.I. Storer et al., 1979: 324, 536.

Number of Subtaxa

2024	Available in Systema Naturae 2000	1o;11f;77g;99s;8ss;1v; †3o;3f;9g;3s
1989-present	Systema Naturae 2000	[1o;11f;77g; †3o;3f;9g]
2011-present	R.N. Bamber & A. El Nagar: 30 Dec 2011	[1o;11f;77g; †3o;3f;8g]
2015b	M.A. Ruggiero et al.: 37	[1o]
2013	Z.-Q. Zhang: 18	1,346*[1,335]s; †11s
2012	J.A. Dunlop et al.: 4, 6	~1300s; †9s
2012	J.A. Dunlop et al.: 4, 6	~1300s; †9s
2011	Z.-Q. Zhang: 99	1330*[1322]s; †8s
2011	R.N. Bamber: 110	4*[1]o;[11f; †3o;3f]
2002	J.J. Sepkoski Jr.: 169	[1o; †2o;4g]