Publication Johnson et al. (2018): cladograms

Johnson, N.A., C.H. Smith, J.M. Pfeiffer, C.R. Randklev, J.D. Williams & J.D. Austin. 2018. Integrative taxonomy resolves taxonomic uncertainty for freshwater mussels being considered for protection under the U.S. Endangered Species Act. Scientific Reports 8. 15892 (16 pp.). https://doi.org/10.1038/s41598-018-33806-z.