Travisia Johnston, 1840

Plathong, Jintana, Plathong, Sakanan & Salazar-Vallejo, Sergio I., 2023, Two new species of Travisiidae (Annelida, Sedentaria) from Thailand, Zootaxa 5346 (4), pp. 351-371 : 354-355

Genus Travisia Johnston, 1840

Diagnosis (after Maciolek & Blake 2019). Body stout, pointed at both ends, fusiform or grub-like, without lateral or ventral grooves. Prostomium small, smooth, rounded, or truncate conical, without eyes; nuchal organs present. Mouth opening surrounded by upper and lower lips derived from elongated annulations of chaetiger 1 for the upper lip and chaetiger 2 for the lower lip. Segments annulated; posterior segments telescoped or forming folds ending in dorsal lappets. Parapodia reduced. Branchiae cirriform, branched or missing, may be annulated, from chaetiger 2 or 3. Interramal lateral sensory organs present. Lateral eyes absent. Chaetae simple capillaries, may be hispid. Pygidium small, cylindrical, longitudinally furrowed, with ring of stout unequal anal cirri, or with smooth margin.