Concise hierarchy

(Kingdom) Animalia - (Phylum) Mollusca - (Class) Bivalvia - (Order) Unionida

Current position

Etherioidea (Superfamily) Deshayes, 1832

Ref: R. Bieler et al., 2010: 123.

Alternative positions

Mutelacea (Superfamily)	Ref: K.J. Boss, 1982: 1126.
Muteloidea (Superfamily) Gray, 1847	Ref: V.G. Millard, 1997: 368.
Unionacea (Superfamily) Fleming, 1828	Ref: C.M. Yonge, 1962
Unionida (Order) Gray, 1854	Ref: E.E. Ruppert et al., 2004: 401.

Historical positions

Etherioidea (Superfamily) Deshayes, 1832	Ref: R. Bieler et al., 2010: 123.
Unionida (Order) Gray, 1854	Ref: E.E. Ruppert et al., 2004: 401.
Muteloidea (Superfamily) Gray, 1847	Ref: V.G. Millard, 1997: 368.
Mutelacea (Superfamily)	Ref: K.J. Boss, 1982: 1126-1127.

Number of Subtaxa

2026	Available in Systema Naturae 2000	4g;2s
1989-present	Systema Naturae 2000: 4 Jan 2022	[4g]
1997	V.G. Millard: 369	[4g]
1982	K.J. Boss: 1127	3g[3s]