Concise hierarchy

(Kingdom) Animalia - (Phylum) Cnidaria

Current position

Medusozoa (Subphylum) Petersen, 1979

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 34).

Alternative positions

Cnidaria (Phylum) Hatschek, 1888	Ref: B.C. Das, 2007: 20.
Medusozoa (Subphylum) Petersen, 1979
Medusozoa ([unranked]) Petersen, 1979	Ref: E.E. Ruppert et al., 2004: fig. 7.75B.

Historical positions

Medusozoa (Subphylum) Petersen, 1979	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 34).
Cnidaria (Phylum) Hatschek, 1888	Ref: B.C. Das, 2007: 20.
Medusozoa ([unranked]) Petersen, 1979	Ref: E.E. Ruppert et al., 2004: 156-174, figs. 7.74, 7.75B.
Cnidaria (Phylum) Hatschek, 1888	Ref: A.Yu. Ivantsov & M.A. Fedonkin, 2002: 1123[1223].
Cnidaria (Phylum) Hatschek, 1888	Ref: J.J. Sepkoski Jr., 2002: 48.
Medusozoa ([unranked]) Petersen, 1979	Ref: C. Nielsen, 2001: fig. 8.2.
Coelenterata (Phylum) Leuckart, 1847	Ref: 1998
Medusozoa ([unranked]) Petersen, 1979	Ref: C. Nielsen, 1995
Cnidaria (Phylum) Hatschek, 1888	Ref: S. Bengtson, 1992: table 23.5 (p. 1020).
Cnidaria (Phylum) Hatschek, 1888	Ref: R.C. Brusca & G.J. Brusca, 1990
Cnidaria (Phylum) Hatschek, 1888	Ref: R.S. Boardman et al., 1987
Cnidaria (Phylum) Hatschek, 1888	Ref: D.F. Dunn, 1982: 674.
Cnidaria (Phylum) Hatschek, 1888	Ref: L. Margulis & K.V. Schwartz, 1982: 170.
Cnidaria (Phylum) Hatschek, 1888	Ref: T.I. Storer et al., 1979: 320.
Cnidaria (Phylum) Hatschek, 1888	Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 590.

Number of Subtaxa

2024	Available in Systema Naturae 2000	5o;79f;196g;145s; †4g;6s
1989-present	Systema Naturae 2000	379g2,700s; †>100g
2004	E.E. Ruppert et al.: 156	~3000s
1997	TAMU	379g2,701s
1990	R.C. Brusca & G.J. Brusca	7o~2,700s
1987	R.S. Boardman et al.	~500*g
1982	D.F. Dunn	7o[91f388g]2700s
1982	L. Margulis & K.V. Schwartz	3,100s
1979	T.I. Storer et al.	~3,700s