Phylogenetic tree produced via Maximum Likelihood using a concatenated alignment composed of partial mitochondrial COI and 16S sequences. ML bootstrap values greater than 50 are shown at the nodes. Figured specimens: Supplanaxis nancyae, MNHN-IM-2019-1729; S. planicostatus, syntype, NHMUK 1966623; S. nucleus, neotype, MNHN-IM-2000-35804.

 
 
  Part of: Strong EE, Bouchet P (2020) Hidden in plain sight: two co-occurring cryptic species of Supplanaxis in the Caribbean (Cerithioidea, Planaxidae). ZooKeys 991: 85-109. https://doi.org/10.3897/zookeys.991.57521