Concise hierarchy

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

Current position

Holodonata ([unranked])

Ref: D. Grimaldi & M.S. Engel, 2005: table 4.1.

Alternative positions

Exopterygota ([unranked])	Ref: P. Smart, 1989 (1975): 16. [out of scope (coherent)]
Hemimetabola (Division)	Ref: T.I. Storer et al., 1979: 587.
Insecta (Class) Linnaeus, 1758	Ref: Z.-Q. Zhang, 2013: 20.
Odonata (Division) Fabricius, 1793	Ref: R.W. Poole et al., 1997: 16.
Palaeoptera (Infraclass) Martynov, 1923
Palaeoptera (Subclass) Martynov, 1923	Ref: R.S. Boardman et al., 1987
Paleoptera (Infraclass)	Ref: R.C. Brusca & G.J. Brusca, 1990

Historical positions

Insecta (Class) Linnaeus, 1758	Ref: Z.-Q. Zhang, 2013: 20.
Insecta (Class) Linnaeus, 1758	Ref: Z.-Q. Zhang, 2011: 100.
Holodonata ([unranked])	Ref: D. Grimaldi & M.S. Engel, 2005: table 4.1, fig. 6.31.
Exopterygota (Division) Sharp, 1899	Ref: M. Chinery, 1997
Odonata (Division) Fabricius, 1793	Ref: R.W. Poole et al., 1997: 16.
Paleoptera (Infraclass)	Ref: R.C. Brusca & G.J. Brusca, 1990
Palaeoptera (Subclass) Martynov, 1923	Ref: R.S. Boardman et al., 1987
Paleoptera (Infraclass)	Ref: E.C.G. Pinhey, 1982: 338-339.
Insecta (Class) Linnaeus, 1758	Ref: L. Margulis & K.V. Schwartz, 1982: 226.
Hemimetabola (Division)	Ref: T.I. Storer et al., 1979: 587.
Exopterygota ([unranked])	Ref: P. Smart, 1989 (1975): 16. [out of scope (coherent)]
Odonatia (Superorder)	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2024	Available in Systema Naturae 2000	29f;631g;564s;30ss; †27f;1g;1s
1989-present	Systema Naturae 2000	[29f;631g]
2013	Z.-Q. Zhang: 20	6,650*[6,042]s; †608s
2011	Z.-Q. Zhang: 100	5,899s
2000		135s; †2s
1990	R.C. Brusca & G.J. Brusca	~5,500s
1982	E.C.G. Pinhey: 339	3so[25f]
1979	T.I. Storer et al.	23f;5000s