Figure 2 from: Gradinarov D (2014) The mermithid species Isomermis lairdi (Nematoda, Mermithidae), previously only known in Africa, found in Europe. ZooKeys 454: 1-11. https://doi.org/10.3897/zookeys.454.7577

Figure 2 - Main morphological characters of Isomermis lairdi from Jeleznitsa (A–H). A, B Mature male, anterior region with terminal mouth opening (A) and amphid (B), lateral view. C Female postparasitic juvenile, posterior end with tail appendage D Mature female, posterior end E Female, vulvar region with vagina F Male, spicules G Male postparasitic juvenile, tail region with tail appendage H Mature male, tail region. Scale bars: A, B: 50 µm; C–F: 70 µm; G, H: 100 µm.