Entity:

Concise hierarchy

Subsequent positions

Ref: X. Hou & J. Bergström, 1997: 112. [assumed]

Ref: J. Bergström & X.-G. Hou, 2003: fig. 4. [assumed]

†*Lamellipedia* (Superclass) Hou & Bergström, 1997	Ref: X. Hou & J. Bergström, 1997: 112. [new position]
†*Trilobitomorpha* ([unranked]) Størmer, 1944	Ref: J. Bergström & X.-G. Hou, 2003: fig. 4.

†*Trilobitomorpha* ([unranked]) Størmer, 1944	Ref: J. Bergström & X.-G. Hou, 2003: fig. 4.
†*Lamellipedia* (Superclass) Hou & Bergström, 1997	Ref: X. Hou & J. Bergström, 1997: 112. [new position]

2025	Available in Systema Naturae 2000	†2o;1f;5g;3s
1989-present	Systema Naturae 2000	[; †2o]
1997	X. Hou & J. Bergström	[; †2o]