Unique tree found under implied weighted parsimony (k=3). Three taxa are not included (Tortopus circumfluus, Tortopsis bruchianus, and Tortopsis parishi). Numbers above nodes are character changes (Appendix 1). Numbers on nodes indicate support values (symmetric Jackknifing).

  Part of: Molineri C, Dias LG, Zúñiga MC (2021) New insights into the phylogeny of Tortopus Needham and Murphy and Tortopsis Molineri (Ephemeroptera, Polymitarcyidae) with description of three new species. Arthropod Systematics & Phylogeny 79: 151-170. https://doi.org/10.3897/asp.79.e62735