Didymograptus, fossil graptolite
The two tuning-fork graptolite on this piece of Welsh Ordovician shale belong to the genus Didymograptus and have branches some some 5 cm in length with sawtooth-like thecae
Picture No
10714685
Media ID
47616984
Size
2619px x 1798px
(3.2MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Fossilised Graptolite Graptolithina Hemichordata Ordovician Paleozoic Phanerozoic Sedimentary Shale
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