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The database is hosted by Kiel University
and is established by Magda Wieckowska-
Lüth, Wiebke Kirleis and Kay Schmütz,
Institute for Prehistoric and Protohistoric Archaeology.

© Wieckowska-Lüth/Kirleis/Schmütz 2020

Type: HdV-261

Category: Fungi

Taxonomical identification: Arnium‐type / Arnium spp.

First publication: van Geel, B., Buurman, J., Brinkkemper, O., Schelvis, J., Aptroot, A,. van Reenen, G. and Hakbijl, T. (2003) Environmental reconstruction of a Roman Period settlement site in Uitgeest (The Netherlands), with special reference to coprophilous fungi. Journal of Archaeological Science 30, 873–883

Other publication/s: van Geel, B. and Aptroot, A. (2006) Fossil ascomycetes in Quaternary deposits. Nova Hedwigia 82, 313–329

Description: These ascospores are one-celled, ellipsoidal, 52–86 × 30–36 μm in size, with ca. 1.5 μm wide pore at both ends. The large spores are characteristic, but not with certainty identifiable to any genus. They seem to belong to a member of the Sordariales, most probably to the genus Arnium, which is one of the few genera with ascospores with two germ pores.

(Sub-) Fossil occurence: In soil samples from a Roman Period settlement site in the Netherlands.

Co-occurence: Other coprophilous taxa.

Modern occurence: According to Dennis (1978), most Arnium species occur on dung, but some species are also abundant on rotting herbaceous stems and wood.

Palaeoenvironmental indication: In combination with other botanical and zoological data, the fungal record pointed to a high density of domesticated herbivores.