Fossil footprints of arthropods found in Western Australia that were made in the sandy flats surrounding temporary lakes, indicate that these animals may have accompanied the landward march of plants.

• 被做在含沙舱内甲板围拢临时湖节肢动物的化石脚印发现了在澳大利亚西部,表明,这些动物也许伴随植物landward行军。