Rhamnocercoides Luque & Iannacone, 1991 Diagnosis: Tegument smooth or scaled. Genital pore opening posterior to male copulatory organ (MCO). Genital atrium muscular. Vas deferens intercaecal or looping left intestinal caecum. MCO tubular, composed of 2 nested tubes; external tube twisted. Accessory piece absent. Prostatic reservoir simple. Accessory copulatory organ absent. Vaginal atrium sclerotized [56]. Vaginal aperture marginal. Accessory adhesive organ absent. Accessory spines associated with the posterior region of the haptor. Peduncular spines. posteromedial projection of the ventral bar. Superficial root of ventral anchor reduced. Parasites of marine perciform fishes (Sciaenidae). Type species: R. menticirrhi Luque & Iannacone, 1991 from Menticirrhus ophicephalus (Jenyns). Other species: R. stichospinus (Seamster & Monaco, 1956) Domingues & Boeger, 2006 from Menticirrhus littoralis (Holbrook), Menticirrhus americanus (Linnaeus), and Micropogonias undulatus (Linnaeus). Remarks: Rhamnocercoides was revised by Domingues and Boeger (2006).

Published as part of Domingues, Marcus V. & Boeger, Walter A., 2008, Phylogeny and revision of Diplectanidae Monticelli, 1903 (Platyhelminthes: Monogenoidea), pp. 1-40 in Zootaxa 1698 on page 28, DOI: 10.5281/zenodo.180750