2 Sigillaria Members of Lycopoda were the dominant land plants during the Carboniferous In fact most of the coal on earth was

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2 Sigillaria Members of Lycopoda were the dominant land plants during the Carboniferous In fact most of the coal on earth was formed from the remains of Carboniferous forests which were filled with Lycopods A few surviving members exist but are very small Look at the Sigillaria fossil This fossil is a piece of bark from an arboraceous tree like Lycopod Sketch in detail a portion of it The strange H shaped marks you see are called leaf scars and show where the leaves attached directly to the stalk

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