Thaumastus (Thaumastus) sumaqwayqu sp.n. A–C Holotype RMNH 201636 (H = 52.5) D–E Paratype VMA (H = 48.4) F Protoconch sculpture, paratype RMNH 201637; scale line = 1 mm.

 
 
  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