Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Current position

Euarthropoda ([unranked])

Ref: J.C. Lamsdell, 2013: 12, 14, fig. 7.

Alternative positions

Arthropoda (Phylum) Siebold, 1848	Ref: M.A. Ruggiero et al., 2015b: 36.
Cheliceromorpha ([unranked]) Boudraux, 1978	Ref: M.A. Ruggiero et al., 2015b: 36 [Aria et al., 2015: 643, fig. 14C]. [indirect]
Pan-Chelicerata ([unranked])	Ref: H.W. Levi, 1982: 71. [indirect]

Historical positions

Arthropoda (Phylum) Siebold, 1848	Ref: T. Rees et al., 2020: table 2 (p. 130).
Arthropoda (Phylum) Siebold, 1848	Ref: M.A. Ruggiero et al., 2015b: 36.
Arthropoda (Phylum) Siebold, 1848	Ref: Z.-Q. Zhang, 2013: 18.
Euarthropoda ([unranked])	Ref: J.C. Lamsdell, 2013: 12, 14, fig. 7.
Arthropoda (Phylum) Siebold, 1848	Ref: Z.-Q. Zhang, 2011: 99.
Arthropoda (Phylum) Siebold, 1848	Ref: E.E. Ruppert et al., 2004: 554-604, fig. 16.15.
Arthropoda (Phylum) Siebold, 1848	Ref: C. Nielsen, 1995
Arthropoda (Phylum) Siebold, 1848	Ref: 1995
Arthropoda (Phylum) Siebold, 1848	Ref: R.C. van Caenegem et al., 1979-1984
Arthropoda (Phylum) Siebold, 1848	Ref: H.W. Levi, 1982: 71-72.
Arthropoda (Phylum) Siebold, 1848	Ref: L. Margulis & K.V. Schwartz, 1982: 224.
Arthropoda (Phylum) Siebold, 1848	Ref: T.I. Storer et al., 1979: 324, 536.
Arthropoda (Phylum) Siebold, 1848	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2024	Available in Systema Naturae 2000	3c;18o;767f;10,090g;24,644s;770ss;2v; ‡1f;2g; †2c;10o;105f;390g;19s
1989-present	Systema Naturae 2000	[4c];9650g;79,745s; †456g
2020	T. Rees et al.: table 2 (p. 130)	21,252*ng;13,591[-15,309]*g; †7.0%g
2015b	M.A. Ruggiero et al.: 37	[3c;18o]
2013	Z.-Q. Zhang: 18	[2c;11o];115,992*[113,773]s; †[4c;4o];2,219s
2011	Z.-Q. Zhang: 99	113,894*[111,937]s; †1,957s
1997	TAMU	9,650g79,745s; †456g
1982	H.W. Levi: 71	3c;[14o]