Branchiae a/p: present, 4 pairs
Branchiae start from setiger no.: 2
Arrangement and shape of branchiae: 4 pairs, 1>4 at ratio 4:1, 1st and 4th pairwrinkled, widest in the middle, 2nd and 3rd pair short fleshy subtriangular-like
Prostomium shape: anteriorly truncated, rectangular bottle shaped, 1 pair of eyes, peristomium forming distinct lateral wings
Antenna a/p: absent, but distinct caruncle reaching
Saber chaetae from setiger no.: 10, single, stout and curved, granulated at the tip
Neuropodial hooks from setiger no. : mostly on 12, occasionally on 13
Shape of neuropodial postsetal lamellae: rectangular/ rounded, particularly enlarge on segment 2 – 5
Type of neuropodial hooks: multidentate, with secondary hood, largely inflated an squarish, around 7 per fascicle, with 4 smaller teeth above the man one
Pouches: present, from seg. no. 7; not observed in some specimens – due to damage?
Dorsal crest: present is some specimens on seg. no. 6
