Alycaeus roebeleni Moellendorff, 1894  

Moellendorff (1894) original descriptions on Alycaeus roebeleni – “T. modice umbilicata, subdepresse turbinate, tenuis, pellucida, costulo-striata, lineis spiralibus microscopicis decussate, late flava; spira modice elevate, lateribus subconcavis, apice obtusulo glabrato. Anfractus 5, perconvexi, ad suturam profunde impressam subplanati; ultimus postice spiram altitudine multo superans, valde inflatus, gibber, 4 millim, pone aperturam valde constrictus, tum denuo dilatatus, ad aperturam sat deflexus. Apertura diagonalis, subcircularis; peristoma continuum, vix duplicatum, sat expansum, haud reflexum, flavo-labiatum. Operculum corneum, valde concavum, anfr. 6. Tubulus suturalis brevis, appressus. Var. minor: spira paullo magis elevata.”