Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda

Phylogeny

Paraphyletic/Ancestral (para)

Ref: C. Aria et al., 2020: 8.

Original position

†Proschizoramia (Superclass) Hou & Bergström, 1997

Original entries

†Fortiforcipida (Order) Hou & Bergström, 1997

Subsequent entries

†Cheiromorpha ([unranked]) Aria, Caron & Gaines, 2015		Ref: C. Aria et al., 2015: 633, 643. [implicit]
†Jianfengiidae (Family) Aria, Zhao, Zeng, Guo & Zhu, 2020		Ref: C. Aria et al., 2020: [1].
†Leanchoiliida (Order) Størmer, 1944, nom. corr.		Ref: X. Hou & J. Bergström, 1997: 26. [assumed]
†Yohoiida (Order) Simonetta & Delle Cave, 1975		Ref: X. Hou & J. Bergström, 1997: 111. [assumed]

Current position

Euarthropoda ([unranked])

Ref: C. Aria et al., 2020: fig. 6a; suppl. text (p. [1]). [implicit]

Alternative positions

Arthropoda (Phylum) Siebold, 1848	Ref: C. Aria et al., 2015: 633.
Cheliceromorpha ([unranked]) Boudraux, 1978	Ref: C. Aria et al., 2015: 633; fig. 14C. [implicit]
Heptopodomera (Clade) Aria, Caron & Gaines, 2015	Ref: C. Aria et al., 2020: [1]. [emended diagnosis]
†Proschizoramia (Superclass) Hou & Bergström, 1997	Ref: X. Hou & J. Bergström, 1997: 26. [new taxon]

Historical positions

Euarthropoda (Phylum) Lankester, 1904	Ref: C. Aria et al., 2020: [1]; fig. 6a. [emended diagnosis]
Heptopodomera (Clade) Aria, Caron & Gaines, 2015	Ref: C. Aria et al., 2020: [1]. [emended diagnosis]
†Proschizoramia (Superclass) Hou & Bergström, 1997	Ref: X. Hou & J. Bergström, 1997: 26, 111. [new taxon]

Number of Subtaxa

2024	Available in Systema Naturae 2000	†2o;5f;11g;8s
1989-present	Systema Naturae 2000: 6 Dec 2020	[; †2o;5f;11g]
1997	X. Hou & J. Bergström	[; †3o;5f]