• Antarcticonema comicapitatum Timm, 1978
• Desmoscolex (Desmolorenzenia) curvicaudus (Timm, 1978) (temporary name)
• Desmoscolex (Desmoscolex) cosmopolites Timm, 1970
• Desmoscolex (Desmoscolex) gerlachi Timm, 1970
• Desmoscolex (Desmoscolex) longisetosus Timm, 1970
• Desmoscolex (Desmoscolex) max Timm, 1970
• Desmoscolex amaurus Lorenzen, 1972
• Desmoscolex articulatus Timm, 1978
• Desmoscolex cosmopolites Timm, 1970 accepted as Desmoscolex (Desmoscolex) cosmopolites Timm, 1970
• Desmoscolex falklandiae Allgén, 1952 accepted as Quadricoma falklandiae (Allgén, 1952) Timm, 1970 accepted as Tricoma (Quadricoma) falklandiae (Allgén, 1952)
• Desmoscolex frigidus Timm, 1978
• Desmoscolex gerlachi Timm, 1970 accepted as Desmoscolex (Desmoscolex) gerlachi Timm, 1970
• Desmoscolex klatti Allgén, 1954 (unaccepted)
• Desmoscolex labiosus Lorenzen, 1969
• Desmoscolex latus Allgén, 1952 (unaccepted)
• Desmoscolex longisetosus Timm, 1970 accepted as Desmoscolex (Desmoscolex) longisetosus Timm, 1970
• Desmoscolex max Timm, 1970 accepted as Desmoscolex (Desmoscolex) max Timm, 1970
• Desmoscolex parafalklandiae Allgén, 1955
• Greeffiella antarctica Timm, 1978
• Quadricoma curvicauda Timm, 1978 accepted as Desmoscolex (Desmolorenzenia) curvicaudus (Timm, 1978)
• Quadricoma falklandiae (Allgén, 1952) Timm, 1970 accepted as Tricoma (Quadricoma) falklandiae (Allgén, 1952)
• Quadricoma pontica Filipjev, 1922
• Tricoma (Quadricoma) avicapitata (Timm, 1978)
• Tricoma (Quadricoma) falklandiae (Allgén, 1952)
• Tricoma maxima (Schepotieff, 1907)
• Tricoma nematoides (Greeff, 1869)
• Tricoma septentrionalis Timm, 1978
• Tricoma steineri de Man, 1922
• Tricoma suilla Allgén, 1952 (uncertain > taxon inquirendum)
• Usarpnema auriculatum Timm, 1978