FIGURE 10 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 10. Main types of structure of cervical lateral alae occuring in males of Trophomera species. A, alae preamphidial, extending the whole distance from the cephalic apex to amphid; B, alae preaphaidial, extending only a part of the distance from the cephalic apex to amphid; C, alae possessing preamphidial and postamphidial parts.