Thalassironus de Man, 1889

Jeong, Raehyuk, Tchesunov, Alexei V. & Lee, Wonchoel, 2019, A new species of the genus Thalassironus (Nematoda: Enoplida: Ironidae) from the coasts of South Korea, Zootaxa 4563 (3), pp. 516-530 : 517

Genus Thalassironus de Man, 1889

Type species: Thalassironus britannicus de Man, 1889

Diagnosis (after Platt & Warwick 1983; Smol et al. 2014, updated)

Thalassironinae . Cuticle smooth or finely annulated. Head end may be set off by a constriction or a cephalic suture. Stoma surrounded by 3 or 6 weakly to very strongly developed lips that form lobes. Teeth may be divided entirely or at the anterior ends. Narrow pharyngostoma often has no distinct posterior termination but gradually transforms to pharyngeal lumen. Inner labial sensilla papilliform, outer labial and cephalic sensilla setiform. Double lateral cervical setae (usually). Pharynx widens slightly in some species forming a weak basal bulb. Spicules cephalate and curved. Tail short conical to conico-cylindrical with a short cylindrical posterior end with caudal glands and spinerette.