“…Flat or concave based dermal tesserae from the head region have a lamellar base and areal-growth Figure 6.6 for map of sections): 1, slice II before grinding (corresponds to sections 6, 7), arrow indicates dorsal direction; 2, NMS G. 2019.3.3.7, scapulocoracoid, long section mid-shaft;3, NMS G.2019.3.3.12, TS pectoral spine at insertion/exertion boundary; 4, NMS G. 2019.3.3.10, TS of spine close to insertion; 5, NMS G. 2019.3.3.6, close up of leading edge ridge structure of pectoral spine, midspine; 6, NMS G.2019.3.3.2, TS pectoral spine near the tip. 7-10, NMS G. 2018.28.26, TS pectoral spines: 7, 20188, 2018.28.26.7, midspine;9, 10, 2018.28.26.5, towards tip, with closeup of infilling dentine. 11-14, NMS G.2019.3.7 TS pectoral spine, near insertion, and flange of scapulocoracoid: 11, NMS G. 2019.3.7.8;12, NMS G.2019.3.7.9;13-14, NMS G.2019.3.7.10, outer side of spine with thin sharp ridges.…”