Entity:

Concise hierarchy

Original position

Udeonychophora (Class) Poinar, 2000

Ref: G. Poinar Jr., 2000: 105, table 1 (p. 108).

†*Helenodoroidea* (Superfamily) Poinar, 2000		Ref: G. Poinar Jr., 2000: table 1 (p. 108).
†*Tertiapatoidea* (Superfamily) Poinar, 2000		Ref: G. Poinar Jr., 2000: 105, table 1 (p. 108).

Udeonychophora (Class) Poinar, 2000

Ref: G. Poinar Jr., 2000: table 1 (p. 108). [new taxon]

Udeonychophora (Class) Poinar, 2000

Ref: G. Poinar Jr., 2000: 105, table 1 (p. 108), table 2 (p. 109: key). [new taxon]

2024	Available in Systema Naturae 2000	†3f;3g;3s
1989-present	Systema Naturae 2000: 15 Feb 2022	[; †3f;3g;3s]
2000	G. Poinar Jr.: table 1 (p. 108)	[; †3f;3g]