Shells of the two new species of Idiopyrgus. A–H. Idiopyrgus adamanteus sp. nov.; A, B. Holotype MZSP 158237; C. Paratype LES 0027975; D. Paratype LES 0027975; E. LES 0027975 (from Gruta da Machadinha); F. LES 0027978 (from Toca de Candeias); G. LES 0027977 (from Toca de Candeias); H. LES 0027978 (from Toca de Candeias); I–K. Idiopyrgus minor sp. nov.; I, J. Holotype MZSP 158238; K. Paratype LES 0027980 (from Gruna do Engrunado). Scale bars: 1 mm

 
 
  Part of: Salvador RB, Silva FS, Bichuette ME (2022) Phylogenetic position of the relict South American genus Idiopyrgus Pilsbry, 1911 (Gastropoda, Truncatelloidea), with the description of two new cave species. Zoosystematics and Evolution 98(2): 365-375. https://doi.org/10.3897/zse.98.90797