Paralaxus, Scharhauser & Zimmermann & Gruber-Vodicka & Ott & Leisch, 2020

Scharhauser, Florian, Zimmermann, Judith, Gruber-Vodicka, Harald R., Ott, Jörg A. & Leisch, Nikolaus, 2020, Morphology of obligate ectosymbionts reveals Paralaxus gen. nov.: A new circumtropical genus of marine stilbonematine nematodes, Zoologica Scripta 49 (3), pp. 379-394 : 386

3.3 | Key to the species

Amphidial fovea with 2 turns; bulbus 30%–32% of pharynx length, velum 30%–40% of tail length, spicula strongly arcuate

Paralaxus bermudensis sp. nov.

Amphidial fovea with 1.5 turns, bulbus 32%– 35% of pharynx length, velum 43%–47% of tail length, spicula moderately arcuate

P. cocos sp. nov.

Amphidial fovea with 1–1.2 turns, bulbus 29%–33% of pharynx length, velum 35%–37% of tail length, spicula weakly arcuate

P. columbae sp. nov.