Table 1 in Revision of the genus Robbea (Stilbonematinae: Desmodoridae), worldwide abundant marine nematodes with chromophoric Fe-Br inclusions and the description of a new stilbonematine genus

Table 1. Morphological characteristics of the genera Robbea Gerlach 1956 and Cyathorobbea gen. nov.
RobbeaCyathorobbeabody length2.8–8.3 mm1.8–4.5 mma110–25740–101head setation4 cephalic setae 1 circle of 8 subcephalic setae4 cephalic setae 2–3 circles of 8 subcephalic setaesomatic setationabsent or short setae, rows of poresshort and/or long setae throughout bodycup-shaped supplements in malesabsentpresent, in post-pharyngeal regionGlandular sense organs—GSOspresent, with dark inclusions, in some species enlarged and protruding GSOs in malespresent, transparent, without dark inclusionssymbiont shape and arrangementmonolayer, small coccobacilli, dividing transversallymonolayer, diverse morphotypes, small coccobacilli or upright standing rods, rods dividing longitudinally