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Length: 5cm Width: 4cm Depth: 2
width 10cm
Western Madagascar
Gerastos Tuberculatus Marocensis trilobite
Calamite tree seed fern white fossil Length: 5cm Width: 4cm Depth:Fossilised leaves from the extinct Calamite tree which have been preserved in an ironstone concretion. This two part fossil shows both the fern and its 'negative'. The Calamite was a medium sized tree, growing to around 30 meters (100 feet). Mazon Creek Fossil Beds, Braidwood, Illinois, USA. Carboniferous, circa 309 million years old. Length: 7cm width: 4cm depth: 2cm Measurements are approximate and the minimum size you should expect your item to be.
