Bayesian phylogenetic tree based on 28S rDNA sequences (603 bp in total). Numbers near nodes are posterior probability and bootstrap value, respectively.

 
 
  Part of: Oya Y, Kimura T, Kajihara H (2019) Description of a new species of Paraplehnia (Polycladida, Stylochoidea) from Japan, with inference on the phylogenetic position of Plehniidae. ZooKeys 864: 1-13. https://doi.org/10.3897/zookeys.864.33955