Concise hierarchy

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

Subsequent positions

†Nektaspida (Class) Raymond, 1920

Ref: B. Mayers et al., 2019(2018)

Current position

†Nektaspida (Class) Raymond, 1920

Ref: B. Mayers et al., 2019(2018) [new position]

Alternative positions

†Artiopoda (Subphylum) Hou & Bergström, 1997	Ref: R. Lerosey-Aubril et al., 2017: fig. 6.
†Artiopoda ([unranked]) Hou & Bergström, 1997	Ref: J.R. Paterson et al., 2010: text-fig. 9. [rough position]
†Trilobitomorpha ([unranked]) Størmer, 1944	Ref: J.R. Paterson et al., 2010: text-fig. 9. [rough position] [indirect]
†Xandarellida (Order) Chen et al., 1996	Ref: J. Bergström & X.-G. Hou, 2003: fig. 4. [rough position]

Historical positions

†Nektaspida (Class) Raymond, 1920	Ref: B. Mayers et al., 2019(2018) [new position]
†Artiopoda (Subphylum) Hou & Bergström, 1997	Ref: R. Lerosey-Aubril et al., 2017: fig. 6.
†Artiopoda ([unranked]) Hou & Bergström, 1997	Ref: J.R. Paterson et al., 2010: text-fig. 9. [rough position]
†Xandarellida (Order) Chen et al., 1996	Ref: J. Bergström & X.-G. Hou, 2003: 326, fig. 4. [rough position]

Number of Subtaxa

2024

Available in Systema Naturae 2000

†1s