Sultana species. A–CS. (Metorthalicus) shuttleworthi (Albers, 1854), syntype ZMB 101827 (H = 70.3) D–FS. (Metorthalicus) wrzesniowskii (Lubomirski, 1880), holotype MIZW (H = 78.0).

 
 
  Part of: Breure ASH, Mogollón Avila V (2016) Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae. ZooKeys 588: 1-199. https://doi.org/10.3897/zookeys.588.7906