Megafloral remains recovered from the Jetty Member and the upper part
of the Flagstone Bench Formation, Amery Group include Dicroidium and P
agiophyllum. Dicroidium zuberi and D. crassinervis forma stelznerianum
occur with Pieruchus dubius and support a Mid to Late Triassic age. A
new species of conifer, Pagiophyllum papillatus, is recognized along
with an undetermined conifer pollen cone.