Figure 3 in A giant nektobenthic radiodont from the Burgess Shale and the significance of hurdiid carapace diversity

Figure 3. Assemblage of Titanokorys gainesi gen. et sp. nov., holotype ROMIP 65415. (a) Overview of slab, with boxed regions indicating close-ups in other panels, note associated agnostids (Peronopsis cf. columbiensis) possibly feeding on the remains or encrusting biofilms [27]; (b,c) original obliquely preserved H-element, with arrows showing the direction of deformation and dashes indicating sagittal axis of symmetry (b) and hypothetical undeformed version (c) using distort mode in Adobe Photoshop version 21.2.2 (based on the length-width proportions of ROMIP 65168). (d) Close-up of P-element spine; (e) closeup of P-element showing ridges; (f) close-up of bands of gill lamellae; (g,h) appendages and oral cone photographed using different low-angle light orientations to emphasize different details; (i,j) overall view (i) and close-up (j) of the frontal appendage of Cambroraster falcatus, ROMIP 65084, showing comparatively shorter spiniform distal endites and shorter secondary spines on more proximal endites. (k) Line drawing of appendages and oral cone of T. gainesi (from g,h); (l–n) close-ups of frontal appendages using different low-angle light orientations (l, close-up of g; m, close-up of h). Bu; burrow; Gb, gill blade; Ig, individual gill filament; In, Indeterminate; Oc, oral cone; Pc, Peronopsis cf. columbiensis; Pd, peduncle (podomere 1); Pe, P-element; PoX, podomere no. X; Ps, P-element spine; other abbreviations see figures 1 and 2. Scale bars: (a–c) = 50 mm; (e,g–i,k–n) = 10 mm; (d,f,j) = 5 mm.