Sigillaria sp.

Kingdom: Plantae Phylum: Lycophyta Family: Sigillariaceae Genus: Sigillaria (Brongniart, 1822) Five specimens of Sigillaria sp., labelled a to e. Several fragments of compressed/fossilized lycopsid stem showing longitudinally arranged, subparallel rows of surface markings consistent with the characteristic leaf-scar pattern of Sigillaria. Specimens are dark grey-brown and preserve variable degrees of external stem ornamentation. Broad, vertical bark (~1.2 cm x 5.5 cm) with thin, longitudinal ribbing. Rounded rootlet scars (~0.8 cm x 1.1 cm) are visible on some of the specimens. Larger piece is on display Carboniferous display case, Palaeozoic Travelling exhibit.