Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Current position

Chelicerata (Superclass) Heymons, 1901

Ref: R.S. Boardman et al., 1987

Alternative positions

Arthropoda (Phylum) Siebold, 1848	Ref: J.J. Sepkoski Jr., 2002: 168.
Chelicerata (Subphylum) Heymons, 1901	Ref: M.A. Ruggiero et al., 2015b: 37.

Historical positions

Chelicerata (Subphylum) Heymons, 1901	Ref: M.A. Ruggiero et al., 2015b: 37.
Arthropoda (Phylum) Siebold, 1848	Ref: J.J. Sepkoski Jr., 2002: 168 (TREATISE Part P, 1955).
Chelicerata (Subphylum) Heymons, 1901	Ref: 1995
Chelicerata (Subphylum) Heymons, 1901	Ref: C. Nielsen, 1995
Arthropoda (Phylum) Siebold, 1848	Ref: S. Bengtson, 1992: table 23.5 (p. 1022). [indirect]
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.
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

Number of Subtaxa

2024	Available in Systema Naturae 2000	†2g
1989-present	Systema Naturae 2000	1o[1f3g4s]; †1o
2015b	M.A. Ruggiero et al.: 37	[1o]
1987	R.S. Boardman et al.	3g; †89g
1982	H.W. Levi: 72	1o[1f3g4s]; †1o