Concise hierarchy

(Kingdom) Animalia - (Phylum) Platyhelminthes - (Class) Polycladidea

Current position

Polycladidea (Class)

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 47).

Alternative positions

Archoophora (Superorder)	Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 597.
Rhabditophora (Infraphylum) (Ehlers, 1985) Cavalier-Smith, 1998	Ref: A. Faubel & C. Noreña, 2001: 128. [indirect]
Rhabditophora ([unranked]) Ehlers, 1985	Ref: G. Giribet et al., 2000: 551.
Trepaxonemata ([unranked])	Ref: C. Nielsen, 1995
Turbellaria (Class) Ehrenberg, 1831	Ref: A. Faubel & C. Noreña, 2001: 128.

Historical positions

Polycladidea (Class)	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 47).
Turbellaria (Class) Ehrenberg, 1831	Ref: A. Faubel & C. Noreña, 2001: 128.
Rhabditophora ([unranked]) Ehlers, 1985	Ref: G. Giribet et al., 2000: 551, 561.
Trepaxonemata ([unranked])	Ref: C. Nielsen, 1995
Turbellaria (Class) Ehrenberg, 1831	Ref: R.C. Brusca & G.J. Brusca, 1990
Turbellaria (Class) Ehrenberg, 1831	Ref: M. Crezée, 1982: 736.
Turbellaria (Class) Ehrenberg, 1831	Ref: T.I. Storer et al., 1979
Archoophora (Superorder)	Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 597.

Number of Subtaxa

2025	Available in Systema Naturae 2000	35f;76g;103s
1989-present	Systema Naturae 2000	2so;[34f]
1982	M. Crezée: 736	2so;29f