Concise hierarchy

(Kingdom) Animalia - (Phylum) Bryozoa - (Class) Gymnolaemata

Current position

Gymnolaemata (Class) Allman, 1856

Ref: J.J. Sepkoski Jr., 2002: 226.

Alternative positions

Cheilo-Ctenostomata (Superorder)	Ref: J.S. Ryland, 1982: 749. [excluded]
Eurystomata (Superorder)	Ref: J.S. Ryland, 1982: 749. [excluded]
Stelmatopoda (Subclass)	Ref: B. Grzimek, 1973-1975

Historical positions

Gymnolaemata (Class) Allman, 1856	Ref: J.J. Sepkoski Jr., 2002: 226.
Gymnolaemata (Class) Allman, 1856	Ref: C. Nielsen, 1995
Gymnolaemata (Class) Allman, 1856	Ref: R.C. Brusca & G.J. Brusca, 1990
Gymnolaemata (Class) Allman, 1856	Ref: R.S. Boardman et al., 1987
Gymnolaemata (Class) Allman, 1856	Ref: J.S. Ryland, 1982: 753-754.
Gymnolaemata (Class) Allman, 1856	Ref: L. Margulis & K.V. Schwartz, 1982: 201. [rough position]
Gymnolaemata (Class) Allman, 1856	Ref: T.I. Storer et al., 1979

Number of Subtaxa

2025	Available in Systema Naturae 2000	93f;231g;145s; †1f;7g;27s
1989-present	Systema Naturae 2000	1000*g
1987	R.S. Boardman et al.	3so~1,000*g
1982	J.S. Ryland: 754	3so;70[86]f