Cyatholaimus gracilis (Eberth, 1863) Bastian, 1865
Paracanthonchus arcospiculum Allgén, 1959 (taxon inquirendum )
Paracanthonchus axonolaimoides Allgén, 1960 (taxon inquirendum )
Paracanthonchus caecus (Bastian, 1865) Micoletzky, 1924
Paracanthonchus elongatus (de Man, 1906) Micoletzky, 1924
Paracanthonchus kreisi Allgén, 1929 accepted as Praeacanthonchus kreisi (Allgén, 1929) Gerlach & Riemann, 1973
Paracanthonchus macrospiralis Allgén, 1959
Paracanthonchus mortenseni Allgén, 1947 (taxon inquirendum )
Paracanthonchus paralongus Allgén, 1959 (taxon inquirendum )
Paracanthonchus paramacrodon Allgén, 1947 (taxon inquirendum )
Paracanthonchus spectabilis Allgén, 1931 (taxon inquirendum )
Praeacanthonchus kreisi (Allgén, 1929) Gerlach & Riemann, 1973