- Leptolaimus clandestinus Bussau, 1993
- Leptolaimus formosus Bussau, 1993
- Leptolaimus hydrothermalis Tchesunov, 2015
- Leptolaimus meyer-reili Jensen, 1991
- Leptolaimus pocillus de Bovée, 1974
- Leptolaimus timmi Vitiello, 1971 accepted as Rhadinema timmi (Vitiello, 1971) Holovachov & Boström, 2014
- Leptolaimus tritubulatus Boucher & Helléouët, 1977
- Leptolaimus vinnulus Vitiello, 1974