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Dendroid graptolites in the Elnes Formation (Middle Ordovician) Oslo Region,Norway
Dendroid graptolites Elnes Formation Oslo Region
2009/12/3
Well preserved relief specimens of the dendroid graptolites Dendrograptus rigidus Bulman, 1936 and Acanthograptus sp. have been discovered in a siltstone within the basal Engervik Member of the Elnes ...