An integrative taxonomic study reveals carychiid microsnails of the troglobitic genus Zospeum in the Eastern and Dinaric Alps (Gastropoda, Ellobioidea, Carychiinae)

The minute snails of the troglobitic genus Zospeum are known from the southeastern Alps through the Dinarides and from the Pyrenees to the Cantabrian Mountains. The majority of Zospeum has been described from the northernmost region of Southeast Europe, the geographical focus of our study. The taxonomic value of the few available morphological shell characters has been debated for nearly as long as the genus is known. Recent results of genetic...