Fig. 24From: Seven new and four known species of the genus Acantholaimus (Nematoda: Chromadoridae) from the abyssal manganese nodule field (Clarion-Clipperton Fracture Zone, North-Eastern Tropical Pacific) Acantholaimus robustus sp. n. a–c male, paratype, head region at different optical levels; d–f juvenile, paratype No. 5, head region at different optical levels; g male, paratype No. 2, head region; h female, paratype No. 3, head; i male, paratype, head region, reconstruction based on micrographs made using a confocal microscope. Scale bars = 20 μm. Abbreviations: a. = amphid, cer.s. = cervical seta, l. = lip, r. = ruga, t. = onchiumBack to article page