Concise hierarchy

(Kingdom) Animalia - (Phylum) Arthropoda - (Class) Megacheira

Phylogeny

Paraphyletic/Ancestral (para)

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

Original position

Questionably Cheliceromorpha ([unranked]) Boudraux, 1978		Ref: C. Aria et al., 2015: fig. 14C.
Heptopodomera (Clade) Aria, Caron & Gaines, 2015		Ref: C. Aria et al., 2015: 643, fig. 14D.
†Megacheira (Class) Hou & Bergström, 1997		Ref: C. Aria et al., 2015: 633, 643. [implicit]

Original entries

†Haikoucaris (Genus) Chen, Waloszek & Maas, 2004		Ref: C. Aria et al., 2015: 643.
†Leanchoiliida (Order) Størmer, 1944, nom. corr.		Ref: C. Aria et al., 2015: 643.
Questionably †Yohoia (Genus) Walcott, 1912		Ref: C. Aria et al., 2015: 643 ("?").

Current position

†Megacheira (Class) Hou & Bergström, 1997

Ref: C. Aria et al., 2015: fig. 14C; 633. [new taxon] [implicit]

Alternative positions

Cheliceromorpha ([unranked]) Boudraux, 1978	Ref: C. Aria et al., 2015: fig. 14C. [new taxon]
Heptopodomera (Clade) Aria, Caron & Gaines, 2015	Ref: C. Aria et al., 2015: 643, fig. 14D. [new taxon]

Historical positions

†Megacheira (Class) Hou & Bergström, 1997

Ref: C. Aria et al., 2020: 8, fig. 6a. [implicit]

Number of Subtaxa

2024	Available in Systema Naturae 2000	†1o;3f;6g;5s
1989-present	Systema Naturae 2000: 6 Dec 2020	[; †1o;3f;6g]