Microbial remains in Middle Proterozoic rocks of Northern Australia

Geological events in the Precambrian era

“…However, trace fossils that could be left only by Coelomata, are encountered in deposits as ancient as 1.4 -1.5 Ga (Kauffman, 1973). Many of the ancient fossils found have been previously reviewed (Rozanov, 2003;Astafieva et al, 2004).…”