Stenopylis coarctata (Von Moellendorff, 1894)  

Mollendorff (1894) original descriptions on Plectopylis coarctata – “T. minuta, latissime et aperte umbilicata, discoidea, tenuis, pellucida, minutissime decussate, sericina, alba; spira plana apice haud prominulo. Anfr. 3 ½ lente accrescentes, convexiusculi, sutura sat profunde impressa discreti, ult. Lateraliter compressus, non descendens. Apert. modice oblique, oblonge auriformis, perist. parum expansum, sat incrassatum, margine sinistrorso solute, in lamellam validum curvatum apert. fere obcludentem elevato. Paries pone labrum lamellis 2 sat brevibus munitus.”