Monolistra

Monolistra is a genus of troglobiotic isopod crustaceans in the family Sphaeromatidae. Its members are distributed in the European continental karst groundwaters, restricted to countries of the former Yugoslavia, Italy and Switzerland.^[1][2] It contains the following subgenera and species,^[3] four of which are listed as vulnerable (VU) or endangered (EN) on the IUCN Red List:

Microlistra Gerstaecker, 1856

• Monolistra bolei (Sket, 1960) –  Slovenia ^[4]
• Monolistra calopyge Sket, 1982 –  Slovenia ^[5]
• Monolistra pretneri Sket, 1964 –  Croatia
• Monolistra schottlaenderi Stammer, 1930 –  Italy ^[6]
• Monolistra sketi (Deeleman-Reinhold, 1971) –  Croatia
• Monolistra spinosa (Racovitza, 1929) –  Slovenia
• Monolistra spinosissima (Racovitza, 1929) –  Slovenia ^[7]

Microclista is a monophyletic clade within the Monolistra genus^[2], with a distribution limited to the area of the Dinaric alps ^[8]. All species are found in fresh karst-groundwater^[2].

Monolistra Gerstaecker, 1856

• Monolistra caeca Gerstaeker, 1856 -  Slovenia,  Italy,  Croatia
• Monolistra monstruosa Sket, 1970 –  Bosnia and Herzegovina

Monolistrella Sket, 1964

• Monolistra velkovrhi Sket, 1960

Pseudomonolistra

• Monolistra bosnica Sket, 1970 –  Bosnia and Herzegovina
• Monolistra hercegoviniensis Absolon, 1916 -  Bosnia and Herzegovina
• Monolistra radjai Prevorcnik & Sket, 2007

Typhlosphaeroma

• Monolistra bericum (Fabiani, 1901) –  Italy,  Croatia
• Monolistra boldorii Brian, 1931 –  Italy
• Monolistra lavalensis Stoch, 1984 –  Italy
• Monolistra matjasici Sket, 1965 –  Croatia
• Monolistra pavani Arcangeli, 1942 –  Italy,  Switzerland
• Monolistra racovitzai Strouhal, 1928 –  Slovenia,  Croatia