An external morphologically similar looking, smaller-sized Chlamydoselachus (to at least 1170 mm TL) with a proportionally long head length 17.3?17.9% TL, prepectoral length 15.1?17.7% TL, predorsal fin length 62.6?64.5% TL, head height 6.2?8.6% TL and width 6.6?8.9% TL, broad interorbital width (5.7?6.4% TL) and internarial width (3.9?4.8% TL), mouth broad (6.0?8.1% TL), gill openings long, analcaudal fin space (0.2?1.3% TL), pectoral fin length (8.8?9.6% TL), pelvic fin length (11.6?15.4% TL), meannumber of upper tooth rows (x = 28.8), pectoral mesopterygial radial counts (7), metapterygial radial counts (8), anal fin radials (30), total vertebral counts (147), MP vertebral count (18), DP count (76), DC count (52), MP/DP transition just posterior to the pelvic fins, spiral intestinal valve counts 26?28.