Paracryptotropa Tkach, Chermak & Patitucci, 2023

Tkach, Vasyl V., Chermak, Taylor P., Patitucci, Kaylyn K., Greiman, Stephen E., Binh, Tran Thi & Olson, Peter D., 2023, Jumping continents and major host lineages: phylogeny and diversity of the enigmatic Cryptotropidae (Platyhelminthes: Digenea), Zoological Journal of the Linnean Society 199 (2), pp. 533-552 : 547-549

Paracryptotropa Tkach, Chermak & Patitucci gen. nov.

Diagnosis: Very small digeneans. Body broad, flaưened, with rounded anterior and posterior ends. Tegument armed with minute spines densely covering entire body. Oral sucker subterminal; ventral sucker in middle third of body. Prepharynx very short; pharynx rounded; oesophagus short. Caecal bifurcation immediately anterior to ventral sucker; caeca short, terminating approximately at level of middle of ovary. Testes in posterior half of body, very large, distinctly lobed, opposite, longitudinally elongated, post-ovarian. Copulatory pouch dorsal to ventral sucker; proximal and distal ends of copulatory pouch extend beyond ventral sucker; anterior end of copulatory pouch comma-shaped, curved towards dorsal surface of body. Genital pore submedian, sinistral, immediately extracaecal, at level of caecal bifurcation. Ovary entire, immediately posterodextral to ventral sucker, pretesticular. Vitellarium extensive, in the form of numerous irregularly shaped follicles forming fields of follicles from the level of pharynx to posterior end of body. There are almost no follicles in testicular area, although there are narrow fields of follicles immediately posterior to testes. Some vitelline follicles are positioned in middle third of body between testes. Uterus filling the space between ventral sucker and testes, extending posteriorly between testes to level of mid-length of testes. Metraterm weakly defined. Uterus with numerous eggs. Excretory pore terminal, excretory vesicle Y-shaped.

ZooBank registration: urn:lsid:zoobank.org:act:23E89889-AF9A-452F-9F3D-A29E5FA50755 .