| Former rank | : | Cladistia (Subclass) Cope, 1870 | |
Ref: R. Betancur-R et al., 2017: 9; 5 May 2025. [inferred] |
| Former rank | : | Cladistia (Infraclass) Cope, 1870 | |
Ref: R. Betancur-R et al., 2017: 9; 5 May 2025. [inferred] |
| Former rank | : | Cladistia (Order) Cope, 1870 | |
Ref: R. Betancur-R et al., 2017: 9; 5 May 2025. [inferred] |
| Former unranked name | : | Cladistia ([unranked]) Cope, 1870 | |
Ref: R. Betancur-R et al., 2017: 9; 5 May 2025. [inferred] |
| Current spelling | : | Cladistii (Class) Cope, 1870 | |
Ref: R. van der Laan et al. (eds.), 2021: (4 Feb 2025); 5 May 2025. [inferred] |
| Former spelling | : | Cladistei (Class) | |
Ref: R. Betancur-R et al., 2017: 9; 5 May 2025. [inferred] |