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Taxon: Class Arachnida Lamarck, 1801 (arachnid)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Current position

Sclerophorata ([unranked]) Kamenz, Staude & Dunlop, 2011 Ref: J.C. Lamsdell, 2013: 20. [inferred rank]

Alternative positions

Arthropoda (Phylum) von Siebold, 1848 Ref: J.J. Sepkoski Jr., 2002: 169.
Chelicerata (Subphylum) Heymons, 1901 Ref: M.A. Ruggiero et al., 2015b: 36.
Chelicerata (Superclass) Heymons, 1901 Ref: R.S. Boardman et al., 1987
Chelicerata ([unranked]) Heymons, 1901 Ref: E.J. van Nieukerken, 2010: 158.
Condylopoda ([unranked]) Ref: E.R. Lankester, 1877: 447.
Euchelicerata (Epiclass) Weygoldt & Paulus, 1979 Ref: D. Grimaldi & M.S. Engel, 2005: table 3.2.

Historical positions

Chelicerata (Subphylum) Heymons, 1901 Ref: M.A. Ruggiero et al., 2015b: 36.
Chelicerata (Subphylum) Heymons, 1901 Ref: Z.-Q. Zhang, 2013: 18.
Sclerophorata ([unranked]) Kamenz, Staude & Dunlop, 2011 Ref: J.C. Lamsdell, 2013: 20, 21, fig. 8.
Euchelicerata ([unranked]) Weygoldt & Paulus, 1979 Ref: J.A. Dunlop et al., 2012: 116. [inferred rank]
Chelicerata (Subphylum) Heymons, 1901 Ref: Z.-Q. Zhang, 2011: 99.
Chelicerata ([unranked]) Heymons, 1901 Ref: E.J. van Nieukerken, 2010: 159; 158.
Euchelicerata (Epiclass) Weygoldt & Paulus, 1979 Ref: D. Grimaldi & M.S. Engel, 2005: 101, table 3.2.
Arthropoda (Phylum) von Siebold, 1848 Ref: J.A. Coddington et al., 2004: table 18.2, fig. 18.1.
Arthropoda (Phylum) von Siebold, 1848 Ref: J.J. Sepkoski Jr., 2002: 169.
Chelicerata (Subphylum) Heymons, 1901 Ref: C. Nielsen, 1995 [unofficial]
Chelicerata (Subphylum) Heymons, 1901 Ref: Anonymous, 1995
Chelicerata (Superclass) Heymons, 1901 Ref: R.S. Boardman et al., 1987
Chelicerata (Subphylum) Heymons, 1901 Ref: R.C. van Caenegem et al., 1979-1984
Chelicerata (Subphylum) Heymons, 1901 Ref: H.W. Levi, 1982: 72-73.
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.
Chelicerata (Subphylum) Heymons, 1901 Ref: B. Grzimek, 1973-1975
Arthropoda (Phylum) von Siebold, 1848 Ref: P. Smart, 1989 (1975): 15. [out of scope (coherent)]
Condylopoda ([unranked]) Ref: E.R. Lankester, 1877: 447.

Number of Subtaxa

2022 Available in Systema Naturae 2000 16o;769f;10,100g;24,515s;762ss;1v; ‡1f;1g; †4o;76f;268g;13s
1989-present Systema Naturae 2000 [17o;741f; †3o]
2015b M.A. Ruggiero et al.: 37 [16o]
2013 Z.-Q. Zhang: 19 [11o];114,275*[112,442]s; †[4o];1,833s
2011 Z.-Q. Zhang: 99 112,201*[110,615]s; †1,586s
2005 D. Grimaldi & M.S. Engel: 101 [11o];>80,000s; †[3o]
2005 D. Grimaldi & M.S. Engel: 101 [11o];>80,000s; †[3o]
2003 M.S. Harvey: ix 13o
[2003] J. Hallan [17o];11,488g;51,326s; †[3o];334g;627s
2003 M.S. Harvey: ix 13o
2000 18s
1987 R.S. Boardman et al. 11o; †5o289g
1979-1984 R.C. van Caenegem et al. 10o
1982 H.W. Levi 11[13]o
1877 E.R. Lankester: 447 [12o]
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Last updated: 9 Feb 2022