FIGURE 12 in Description of Bathynema nodinauti gen. n., sp. n. and four new Trophomera species (Nematoda: Benthimermithidae) from the Clarion-Clipperton Fracture Zone (Eastern Tropic Pacific), supplemented with the keys to genera and species*

FIGURE 12. Main types of Trophomera female reproductive systems. A, two testes directed anterior; B, testes arranged consecutively in tandem and connected by joint spermaduct, posterior testis having a small caecum directed anterior; C, testes arranged consecutively in tandem and connected by joint spermaduct; D, testes arranged consecutively in tandem and connected by joint shortened spermaduct; E, testes almost merged; F, testes merged in one long testis. From Miljutin (2004).