Gonopodium asymmetrical, sinistral, composed of anal rays 3, 4 and 5; tip with a small membranous hook (Fig. 3). Ray 3 thick proximally, longer than high, distal segments becoming square and progressively smaller at tip. Subdistal segments of posterior branch of ray 4 bearing thorn-like spines; two halves of posterior branch separated; 13-16 large unicuspid retrorse serrae on right half of ray 4,diminishing in size anteriorly; 9 or 10 serrae on left half of ray 4, smaller anteriorly and a few bicuspid (two-horned processes) proximally. Segments of anterior branch of ray 5 squarish or rectangular, diminishing in size anteriorly
and not entering into tip of gonopodium like rays 3 and 4.