Entity:

Concise hierarchy

Original position

Ref: C. Aria et al., 2020: [1].

†*Fortiforceps* (Genus) Hou & Bergström, 1997		Ref: C. Aria et al., 2020: [1].
†*Jianfengia* (Genus) Hou, 1987		Ref: C. Aria et al., 2020: [1].
Possibly †*Parapeytoia* (Genus) Hou, Bergström & Ahlberg, 1995		Ref: C. Aria et al., 2020: [1].
†*Sklerolibyon* (Genus) Aria, Zhao, Zeng, Guo & Zhu, 2020		Ref: C. Aria et al., 2020: [1].

Ref: C. Aria et al., 2020: [1]. [new taxon]

Ref: C. Aria et al., 2020: [1]. [new taxon]

2024	Available in Systema Naturae 2000	†4g;3s
1989-present	Systema Naturae 2000: 6 Dec 2020	[; †4g]
2020	C. Aria et al.: [1]	[; †4g]