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Under construction
Taxon: Class Hydrozoa Owen, 1843 (invertebrate)
 Entity: 

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: Anonymous, 1998
Medusozoa ([unranked]) Petersen, 1979 Ref: C. Nielsen, 1995 [unofficial]
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

2022 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
©2004-2022 Universal Taxonomic Services
Last updated: 4 Aug 2022