Abstract

Permineralized plant fossils (coal balls) of Bolsovian age (ex Westphalian C) were discovered in the Foord seam of the Stellarton Basin of Nova Scotia. The coal-ball plants were preserved in a siderite–dolomite matrix and formed in a nonmarine intermontane setting. The coal-ball flora is dominated by arborescent lycopods and contains a few ferns, as well as occasional seed ferns, calamiteans, and cordaiteans. The following taxa were identified: Diaphorodendron, Paralycopodites brevifolia, Lepidocarpon lomaxii, Stigmaria, Scolecopteris, Botryopteris tridentata, Medullosa, Heterangium, Astromyelon, and Cordaianthus. This assemblage contains plants typical of Westphalian coal-swamp floras and helps fill a stratigraphie gap in Westphalian coal-ball floras of Euramerica. Key words: permineralized plants, coal balls, Carboniferous, Canada.

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