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Body fusiform, flattened, with 15 segments (first achaetous). Elytra seven pairs on segments 2, 4, 5, 7, 9, 11, and 13, large, oval, covering dorsum, delicate, with larger conical to rounded tubercles variable in size on posterior and lateral borders with smaller ones scattered on surface. Prostomium oval, deeply bilobed with triangular anterior continuations bearing small frontal filaments. First or tentacular fused to prostomium, not visible dorsally; tentaculophores lateral to prostomium, each with prominent acicular lobe on inner side, without chaetae, and pair of subulate tentacular cirri, shorter than palps; upper lip large bilobed. Notopodia rounded basally with projecting acicular lobes on lower side. Neuropodia with conical projecting prechaetal acicular lobe and shorter, rounded postchaetal lobe. Notochaetae numerous, short to longer forming radiating bundles stouter than neurochaetae, with row of widely spaced teeth along one side and blunt tips. Neurochaetae very numerous forming fan-shaped bundles; neurochaetae with two rows of long spines. Pair of long ventral papillae present in males on segment 11, sometimes extending far beyong posterior end. Posterior two segments smaller, enclosed in elytragerous segment 13. Pygidium long with pair of slender short anal cirri.


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