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Description: | Specimen of a fossil fish (tooth), Deltoptychius acutus, collected from the Carboniferous Limestone of Early Carboniferous, Dinantian, Visean (?) age from Armagh, Ireland. Collected by Thomas Atthey.
This tooth is from a fish that belongs to a group known as the Chimaera, which are related to sharks. It grew up to 0.45 metres long and lived on the bottom of a warm, shallow tropical sea. The teeth were the only hard part of the fish's body and all that is usually fossilised, since the skeleton was made of cartilage. A pair of teeth was present in both jaws. They were used to crush the shells and crustaceans that the fish ate.
The specimen was found in Ireland.
It is from the Carboniferous period (362 - 290 million years ago) | Publisher: | Tyne & Wear Archives & Museums | Subjects: | Classification: Chordata Atthey Pisces Thomas | Temporal: | Carboniferous period (362 - 290 million years ago) | Source: | Tyne & Wear Archives & Museums | Identifier: | http://www.twmuseums.org.uk/geofinder/se... | Go to resource |
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