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Plant: Astrophyllites Brongniart

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Colour photograph of a gray rock with black fossils of leaves
Plant: Astrophyllites Brongniart. Upper Carboniferous. Saint John, New Brunswick. Collector: G.F. Matthew, A.G. Leavitt and W. McIntosh, c. 1900. New Brunswick Museum (NBMG 11590). Image width 7 cm. The Fern Ledges gained its name from the plant fossils first described by the Steinhammer Club and William Dawson in the 1860s. The environment was a coastal plain whose braided channels drained into shallow brackish water. Shrubby cordaitaleans, early conifer-like plants, and extinct seed ferns dominated coastal vegetation. True ferns, sphenopsids like Calamites, and lycopod trees were rare.