Sultana species. AS. (Metorthalicus) kellettii (Reeve, 1850), syntype of Bulimus fungairinoi Hidalgo, 1867, MNCN 15.05/3159 (H = 66.3) BS. (S.) meobambensis (Pfeiffer, 1855), holotype of Orthalicus meobambensis carnea Strebel, 1909 ZMB 101823 (H = 68.7) C–ES. (M.) maranhonensis (Albers, 1854), lectotype ZMB 101825 (H = 75.6).

 
 
  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