A fossilised fish tooth found in the Possil lower black band at Keppoch in Possilpark.
These kind of fish teeth are known as Rhizodus. They come from certain types of lobe-finned fish (rhizodontiforms) which existed from the upper Devonian Period to the upper Carboniferous Period (around 377 to 310 million years ago). Rhizodonts were large fish and some grew to a length of 6 or 7 metres and had teeth up to 22 centimetres long. These long pointed teeth were ideal for hunting prey in the freshwater rivers and lakes where the rhizodonts lived.
Reproduced with the permission of Glasgow City Council, Glasgow Museums
fossils, geology, lobe-finned fishes, Possil lower black band, rhizodontiforms, rhizodonts, Rhizodus, teeth, upper Carboniferous Period, upper Devonian Period