Luo, Mao; Shi, G.R. (2017). First record of the trace fossil
<i>Protovirgularia</i>
from the Middle Permian of southeastern Gondwana (southern Sydney Basin, Australia). Alcheringa: An Australasian Journal of Palaeontology, (), 1–15.
doi:10.1080/03115518.2017.1283052
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