Sultana species. A–CS. (Metorthalicus) y. yatesi (Pfeiffer, 1855) A syntype of Porphyrobaphe latevittata Shuttleworth, 1856, NMBE 18965 (H = 80.0) B syntype of P. sublabeo Ancey, 1890, NMW 1955.158.24080 (H = 82.5) C holotype of P. sarcostoma Ancey, 1903, NMW 1955.158.24078 (H = 69.0) DS. (Metorthalicus) y. galactostoma (Ancey, 1890), syntype NMW 1955.158.24079 (H = 67.5).

 
 
  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