Figure 4. H in A giant nektobenthic radiodont from the Burgess Shale and the significance of hurdiid carapace diversity

Figure 4. H-elements of Titanokorys gainesi gen. et sp. nov. showing ornamentation. (a,b) Paratype ROMIP 65749; (a) overview, note associated ptychopariid trilobites; (b) close-up of boxed region from (a); (c,d) paratype ROMIP 65748; (c) overview photographed under low-angle light; (d) close-up of boxed region in (c) showing tuberculate margin. For abbreviations, figure 1. Scale bars = 10 mm.