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Description: | Specimen of a fossil graptolite, Didymograptus murchisoni, collected from unspecified rocks of Ordovician, Llanvirn age. Collected by T.H. Pettigrew, 1960.
It is from the Ordovician period (495 - 443 million years ago) | Publisher: | Tyne & Wear Archives & Museums | Subjects: | Pettigrew Graptolithina T.H. Classification: Animalia Chordata Hemichordata | Temporal: | Ordovician period (495 - 443 million years ago) | Source: | Tyne & Wear Archives & Museums | Identifier: | http://www.twmuseums.org.uk/geofinder/se... | Go to resource |
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