Shell, holotype of Idaholanx fresti sp. n.

 
 
  Part of: Campbell DC, Clark SA, Lydeard C (2017) Phylogenetic analysis of the Lancinae (Gastropoda, Lymnaeidae) with a description of the U.S. federally endangered Banbury Springs lanx. ZooKeys 663: 107-132. https://doi.org/10.3897/zookeys.663.11320