anterior end, median section (ventral side to the left)   
  Part of: Holovachov O (2019) New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats. Biodiversity Data Journal 7: e46545. https://doi.org/10.3897/BDJ.7.e46545