Clipart tagged: ‘tree fossils’

Sigillaria is the generic name assigned to this ancient arborescent lycopod. Occassionally the trunks were smooth. Extinct genus of tree-sized lycopsids from the Carboniferous Period (about 360 to 300 million years ago) that are related to modern club mosses. Sigillaria had a single or sparsely branched trunk characterized by a slender strand of wood and thick bark.

Sigillaria, An Ancient Tree

Sigillaria is the generic name assigned to this ancient arborescent lycopod. Occassionally the trunks…

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