trilobite morphology 0.0 / 5 ? GeologyfossilsA2/A-levelWJEC Created by: ameliacooper28Created on: 08-04-20 12:20 top section of body cephalon 1 of 11 middle section of body thorax 2 of 11 bottom section of body pygidium 3 of 11 keeps trilobite buoyant with fats and oils glabella 4 of 11 used for support on soft sand genal spine 5 of 11 central lobe, runs down the length of the body axis 6 of 11 made up of hundreds of calcite lenses compound eye 7 of 11 one jointed unit of thorax pleura 8 of 11 linear break in exoskeloten facial suture 9 of 11 trilobite evolved cambrian 10 of 11 closest living relative horseshoe crab 11 of 11
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