Archaeopteris spp.



Archaeopteris spp. account for slightly more than half of the identifiable plant fossils collected at the floodplain pond facies of Red Hill; the pre-fern Rhacophyton accounted for most of the rest. Typically, these fossils were relatively intact abscised branches that were probably blown by the wind into the floodplain pond from elsewhere in the floodplain. Larger woody fossils (i.e., trunks or large branches) have yet to be collected, but one likely and several suggestive root casts have been found. The fossils collected at Red Hill are assignable to four species based on leaf morphology. Most belong to either Archaeopteris macilenta or A. hibernica. Two other species, A. halliana and A. obtusa, were much less frequent.

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