Genus Glossoscolex Leuckart, 1835
Type species. Glossoscolex (Glossoscolex) giganteus Leuckart, 1836 .
Diagnosis. The male pores can be found in segments 18/19 or can extend to one third of segment 19, being a pair or a single pore usually intraclitellar, presence of paired copulatory bulb, with sperm ducts connecting the bulbs with the external male pores. Calciferous glands present in XI or XII, one pair.
Type species. Glossoscolex truncatus (Rosa, 1895) .
Diagnosis. Male pores appear intraclitellar located in segment 17. With long and oval shape copulatory bulbs in XVII–XVIII.