Heyns, J. (1968). A monographic study of the nematode families Nygolaimidae and Nygolaimellidae. Entomology Memoirs Plant Protection Research Institute Pretoria, South Africa. 19: 1-144.
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Heyns, J.
1968
A monographic study of the nematode families Nygolaimidae and Nygolaimellidae
Entomology Memoirs Plant Protection Research Institute Pretoria, South Africa