World Register of Marine Species (WoRMS)
Nemys eds. (2026). Nemys: World Database of Nematodes. Graphonema Cobb, 1898. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=2287 on 2026-08-28
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Inglis, W. G. (1969). Convergence in the structure of the head and cuticle of Euchromadora species and apparently similar nematodes. Bulletin of the British Museum (Zoology). 17 (5): 149-204.