Robbea judithae

Pröts, Philipp, Novotny-Diermayr, Veronica & Ott, Jörg A., 2024, A novel three-part pharynx and its parallel evolution within symbiotic marine nematodes (Desmodoroidea, Stilbonematinae), Organisms Diversity & Evolution 24 (3), pp. 353-373 : 363

Robbea judithae , R. lotti and R. weberae

The ampulla in the dorsal sector is positioned at the anterior end of the corpus in all three species ( Figs. 4c, d, 5d–f and 8a, c). The ampullae at the end of the subventral gland ducts open into the isthmus at a short distance from the posterior end of the corpus, slightly posterior to the anterior-most nuclei of the isthmus ( Figs. 8b, d, e and 9a–c).