Figure 5 A, D in Homalonotid trilobites from the Silurian and Lower Devonian of south-eastern Australia and New Zealand (Arthropoda: Trilobita: Homalonotidae)

Figure 5 A, D. Moult assemblages of Trimerus (Edgillia) kinglakensis in the upper siltstones at PL252, Middendorps Quarry, Kinglake West, Humevale Siltstone. A, upper right, displaced and inverted cephalon lying underneath thoracopygon (only anterior margin visible); left, thoracopygon with displaced and rotated cephalon. D, thoracopygon with displaced and rotated cephalon. B–C. Complete dorsal exoskeletons in sandstone bioclastic coquinas. B, Trimerus (Trimerus) harrisoni from PL1820, Brunswick, Melbourne Formation. C, Wenndorfia lilydalensis from PL1805, Coldstream. Humevale Siltstone.