Concise hierarchy
(Kingdom) Animalia - (Phylum) Arthropoda
Original position
Original entries
| Questionably Arachnomorpha ([unranked]) Heider, 1913 | |
Ref: C. Aria et al., 2015: fig. 14C. |
| †Artiopoda ([unranked]) Hou & Bergström, 1997 | |
Ref: C. Aria et al., 2015: 643. |
| †Cheiromorpha ([unranked]) Aria, Caron & Gaines, 2015 | |
Ref: C. Aria et al., 2015: 643, fig. 14D. |
| Chelicerata ([unranked]) Heymons, 1901 | |
Ref: C. Aria et al., 2015: 643. |
| Questionably Myriapoda ([unranked]) Latreille, 1802 | |
Ref: C. Aria et al., 2015: 643 ("?"). |
| Questionably Pancrustacea ([unranked]) Zrzavý et al., 1997 | |
Ref: C. Aria et al., 2015: 643 ("?"). |
Current position
Alternative positions
Historical positions