Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Original entries

†Cyclida (Order) Schram, Vonk & Hof, 1997, nom. corr.

Ref: J. Dzik, 2008: 1517.

Current position

Ichthyostraca ([unranked]) Zrzavý et al., 1997

Ref: E.J. van Nieukerken, 2010: 177. [indirect]

Alternative positions

Crustacea (Class) Brünnich, 1772	Ref: J. Dzik, 2008: 1517.
Maxillopoda (Class) Dahl, 1956	Ref: D. Grimaldi & M.S. Engel, 2005: table 3.2.
Oligostraca ([unranked])	Ref: E.J. van Nieukerken, 2010: 177.

Historical positions

Oligostraca ([unranked])	Ref: E.J. van Nieukerken, 2010: 177.
Crustacea (Class) Brünnich, 1772	Ref: J. Dzik, 2008: 1517.
Maxillopoda (Class) Dahl, 1956	Ref: D. Grimaldi & M.S. Engel, 2005: table 3.2.
Maxillopoda (Class) Dahl, 1956	Ref: J.W. Martin & G.E. Davis, 2001: 24, 60.
Crustacea (Phylum) (Brünnich, 1772)	Ref: G. Boxshall, 2001: 243.
Maxillopoda (Class) Dahl, 1956	Ref: R.C. Brusca & G.J. Brusca, 1990
Crustacea (Subphylum) Brünnich, 1772	Ref: G. Fryer, 1982: 218, 220.
Crustacea (Class) Brünnich, 1772	Ref: T.I. Storer et al., 1979: 560.
Crustacea (Class) Brünnich, 1772	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2024	Available in Systema Naturae 2000	1o;1f;4g;7s; †1o;6f;15g;39s
1989-present	Systema Naturae 2000	1o;1f;4g;130s
2001	J.W. Martin & G.E. Davis	[1o;1f]
1982	G. Fryer	1o;1f;4g;125s
1979	T.I. Storer et al.	~75s