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Description: | Specimen of a fossil fish, Palaeoniscum freieslebeni, collected from the Marl Slate of Late Permian, Zechstein (Durham Province), EZ1 age from Houghton-le-Spring, Co Durham (NE England). Collected by Robinson.
Palaeoniscum was a small herring-like fish that probably swam in shoals (groups of fish). 250 million years ago, when this fish was alive, the sea was much warmer than it is now, because Sunderland (near where this fossil came from), was much closer to the equator than it is today. This is because continental drift (the movement of the plates that cover the surface of the earth), causes the shape and postion of the continents to slowly change.
The specimen was found in Co Durham.
It is from the Permian period (290 - 248 million years ago) | Publisher: | Tyne & Wear Archives & Museums | Subjects: | Classification: Chordata, Pisces, Osteichthyes, Actinopterygii, Palaeonisciformes Robinson | Temporal: | Permian period (290 - 248 million years ago) | Source: | Tyne & Wear Archives & Museums | Identifier: | http://www.twmuseums.org.uk/geofinder/se... | Go to resource |
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