Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Current position

Communostraca ([unranked])

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

Alternative positions

Crustacea ([unranked]) Brünnich, 1772	Ref: J.J. Sepkoski Jr., 2002: 197.
Crustacea (Subphylum) Brünnich, 1772	Ref: J.W. Martin & G.E. Davis, 2001: 65.
Crustacea (Superclass) Pennant, 1777	Ref: R.S. Boardman et al., 1987
Eucrustacea (Epiclass) Kingsley, 1894	Ref: D. Grimaldi & M.S. Engel, 2005: table 3.2.
Ostraca ([unranked])	Ref: E.E. Ruppert et al., 2004: fig. 19.90.
Vericrustacea ([unranked])	Ref: E.J. van Nieukerken, 2010: 177.

Historical positions

Vericrustacea ([unranked])	Ref: E.J. van Nieukerken, 2010: 177.
Eucrustacea (Epiclass) Kingsley, 1894	Ref: D. Grimaldi & M.S. Engel, 2005: table 3.2.
Ostraca ([unranked])	Ref: E.E. Ruppert et al., 2004: 625-669, fig. 19.90.
Crustacea ([unranked]) Brünnich, 1772	Ref: J.J. Sepkoski Jr., 2002: 197 (TREATISE Part O, 1961).
Crustacea (Subphylum) Brünnich, 1772	Ref: J.W. Martin & G.E. Davis, 2001: 30, 65.
Crustacea (Subphylum) Brünnich, 1772	Ref: 1995
Crustacea (Subphylum) Brünnich, 1772	Ref: C. Nielsen, 1995
Arthropoda (Phylum) Siebold, 1848	Ref: S. Bengtson, 1992: table 23.5 (p. 1022). [indirect]
Crustacea (Subphylum) Brünnich, 1772	Ref: R.C. Brusca & G.J. Brusca, 1990
Crustacea (Superclass) Pennant, 1777	Ref: B. Kensley & M. Schotte, 1989: 13. [out of scope (coherent)]
Crustacea (Superclass) Pennant, 1777	Ref: R.S. Boardman et al., 1987

Number of Subtaxa

2024	Available in Systema Naturae 2000	18o;555f;4694g;5729s;120ss; ‡7s; †9o;7f;34g;24s
1989-present	Systema Naturae 2000	17o;497f;>20,000s; †586g
2001	J.W. Martin & G.E. Davis	[3sc;16o;497f]
1990	R.C. Brusca & G.J. Brusca	2sc>20,000s
1987	R.S. Boardman et al.	†586g