An unusual process structure in Tresarcus, a new acritarch genus from the Ordovician of Öland, Sweden
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Tresarcus, a new monospecific acritarch genus, is established along with the type-species Tresarcus suecicus sp. nov. It was found in samples from the upper Arenig (Lenodus sp. A conodont Zone) of the Hagudden and Horns Udde sections, Öland, Sweden. The three... ...
