| Current rank | : | †Onychodontida (Infraclass) Andrews, 1973 | |
Ref: J.S. Nelson et al., 2016: 106; 31 Mar 2025. [inferred] |
| Current rank | : | †Onychodontida (Infraclass) Andrews, 1973 | |
Ref: R. van der Laan, 2018: 88; 19 Feb 2025. [inferred] |
| Current rank | : | †Onychodontida (Order) Andrews, 1973 | |
Ref: M.J. Benton, 2015: 436; 5 Apr 2025; [Mondéjar-Fernández, 2019: fig. 19B]. [inferred] |
| Former rank | : | †Onychodontida (Order) Andrews, 1973 | |
Ref: J.S. Nelson, 2006: 462; 22 Oct 2012. [inferred] |