Bayesian tree based on the COI dataset. The four clades (A–D) containing UKL haplotypes are color coded as in Figure 2. Posterior probabilities for nodes are shown when ≥ 95%. Specimen codes are from Suppl. materials 1–3.

  Part of: Liu H-P, Hershler R (2019) A new species and range extensions for three other species of pebblesnails (Lithoglyphidae, Fluminicola) from the upper Klamath basin, California–Oregon. ZooKeys 812: 47-67.