An analysis in ScienceAdvances of exceptionally well-preserved fossils from a newly discovered site provides unprecedented insights into the rainforests of Australia’s Miocene past.
) documents a parasitic relationship. While glochidia are not unusual components of freshwater fossil deposits, this is the first example of a glochidium attached to a host in the fossil record. These examples highlight how the well-preserved fossils from McGrath Flat enhance our understanding of the biology and ecology of the Miocene rainforest biota of Australia.Specimens were recovered during seven short trips to the site.
45 and working distances of about 12 to 15 mm. Notably, the high conductivity of the rocks from McGraths Flat allowed high-resolution SEM imaging without any coating. All microfossils were imaged in situ rather than using acid preparation. Micro x-ray fluorescence was undertaken by directly sampling across the surface of a rock containing a fish spine using a benchtop M4 Tornado μXRF . This allowed us to sample both the fossil and matrix for differences in chemistry.
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