FIGURE 11 in Trilobites and agnostids from the Goyder Formation (Cambrian Series 3, Guzhangian; Mindyallan), Amadeus Basin, central Australia

FIGURE 11. Blackwelderia repanda Öpik, 1967. A comes from spot locality 85-008; and B–N come from GOY/173.6. A, CPC42258, partial pygidium. B, J, CPC42259, partial pygidium; B, dorsal view; J, close up of pygidial ornament. C, D, I, CPC42260, partial pygidium; C, lateral view; D, dorsal view; I, close up of pygidial spine ornament. E, CPC42261, partial pygidium. F, CPC42262, partial pygidium. G, CPC42263, partial pygidium. H, CPC42264, partial pygidium. K, CPC42265, partial pygidium. L, CPC42266, partial pygidium. M, CPC42267, partial pygidium. N, CPC42268, partial pygidium. All scale bars are 2 mm, except A = 4 mm, E, F, I, N = 1 mm, and J = 0.5 mm.