Figure 12.Sternaspis rietschi Caullery, 1944, holotype (ZMA 1500) A Complete specimen, oblique, lateral view (insert: hooks from chaetiger 3) B Same, anterior end, frontal view C Ventro-caudal shield, pieces previously broken, frontal view. Bars: A 0.5 mm B: 1 mm C 1.3 mm.