Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda - (Class) Arachnida

Subsequent entries

†Archaeometidae (Family) Petrunkevitch, 1949

Ref: Selden et al., 2015: 7.

Current position

Stomothecata ([unranked]) Shultz, 2007

Ref: J.W. Shultz, 2007: fig. 1.

Alternative positions

Arachnida (Subclass) Lamarck	Ref: R.C. Brusca & G.J. Brusca, 1990: 496.
Arachnida (Class) Lamarck, 1801	Ref: Z.-Q. Zhang, 2013: 18; CoL(22 Oct 2024).
Arachnina (Subclass)	Ref: J. Hallan, 2003-present: 7 Mar 2005.
Dromopoda ([unranked]) Shultz, 1990	Ref: J.A. Coddington et al., 2004: fig. 18.1.
Dromopoda (Subclass) Shultz, 1990	Ref: D. Grimaldi & M.S. Engel, 2005: table 3.2.

Historical positions

Euchelicerata ([unranked]) Weygoldt & Paulus, 1979	Ref: J.A. Dunlop et al., 2023: 47.
Chelicerata (Subphylum) Heymons, 1901	Ref: J.A. Dunlop et al., 2020: 43.
Euchelicerata ([unranked]) Weygoldt & Paulus, 1979	Ref: C. Aria et al., 2020: fig. S4. [implicit]
N.N. (Superorder)	Ref: M.A. Ruggiero et al., 2015b: 36.
Arachnida (Class) Lamarck, 1801	Ref: Z.-Q. Zhang, 2013: 18; Kury, 2013: 28.
Arachnida (Class) Lamarck, 1801	Ref: J.A. Dunlop et al., 2012: 40. [inferred rank]
Arachnida (Class) Lamarck, 1801	Ref: Z.-Q. Zhang, 2011: 99; Kury, 2011: 112.
Arachnida (Class) Lamarck, 1801	Ref: E.J. van Nieukerken, 2010: 159.
Dromopoda (Subclass) Shultz, 1990	Ref: D. Grimaldi & M.S. Engel, 2005: 103-104, table 3.2.
Dromopoda ([unranked]) Shultz, 1990	Ref: J.A. Coddington et al., 2004: figs. 18.1, 18.4.
Arachnina (Subclass)	Ref: J. Hallan, [2003]: 7 Mar 2005.
Arachnida (Subclass) Lamarck	Ref: R.C. Brusca & G.J. Brusca, 1990: 496.
Arachnida (Class) Lamarck, 1801	Ref: R.C. van Caenegem et al., 1979-1984
Arachnida (Class) Lamarck, 1801	Ref: W.A. Shear, 1982: 104-105.
Arachnida (Class) Lamarck, 1801	Ref: T.I. Storer et al., 1979: 538.

Number of Subtaxa

2025	Available in Systema Naturae 2000	64f;1668g;25s; †7f;33g
1989-present	Systema Naturae 2000: 12 Dec 2024	[64f;1668g; †7f;33g]
2023	J.A. Dunlop et al.: 47, 55	[50f];6637s; †[7f;30g];53s
2020	J.A. Dunlop et al.: 49	[49f; †4f;22g]
2018	A.B. Kury: 10	[53f; †5f]
2017	R. Fernández et al.: 2	4so;[51f]
2014	P.P. Sharma & G. Giribet: fig. 1	[50f]
2013	A.B. Kury: 28	4so;46f;1649g;6534s; †3f;18g;37s
2013	Z.-Q. Zhang: 18	6,571*[6,534]s; †37s
2012	J.A. Dunlop et al.: 40, 46 (Kury, 2011)	6519s; †32s
2012	J.A. Dunlop et al.: 40, 46	6519s; †32s
2011	Z.-Q. Zhang: 99	6,519*[6,484]s; †35s
2011	A.B. Kury: 112 (footnote 2)	4so;49*[46]f;1663*[1646]g;6519*[6484]s; †3f;17g;35s
2006	A.B. Kury: Dec 2006	[46f];6395s; †[1f]
2004	J.A. Coddington et al.: 306	43f;~1500g;~5000s
2004	J.A. Coddington et al.: 306	43f;~1500g;~5000s
[2003]	J. Hallan	1638g;6125s; †8g;27s
1990	R.C. Brusca & G.J. Brusca	~5,000s
1982	W.A. Shear	28f(720-730g)4500-5000s
1979	T.I. Storer et al.	~3,200s