Rev 06/06/2023
Original genus description poor. Quite similar to Oionchus except didelphic.
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Female:
Males:
Described from moss in Japan and freshwater in China.
Mullin, P., Harris, T., Powers, T. 2003. Systematic status of Stephanium (Nematodea Campydorina). Nematology 5:699-711.
Rahm, P. G., 1938. Freilebende und saprophytische Nematoden der Insel Hainan. Annotations Zoologicae Japonenses 17: 646�667.