Family
Oichnidae Wisshak, Knaust et Bertling, 2019
Taxon description
Wisshak et al., 2019a
Diagnosis: Complete circular penetrations or sets thereof in biogenic hard substrates, in some cases surrounded by shallow etchings.
Ethological category: Praedichnia (predation traces; but also in xylic seeds), occasionally combined with fxichnia (attachment traces).
Aiheeseen liittyvät julkaisut
Vinn, O., Holmer, L. E., Wilson, M. A., Isakar, M., Toom, U. 2021. Possible drill holes and pseudoborings in obolid shells from the Cambrian/Ordovician boundary beds of Estonia and the uppermost Cambrian of NW Russia. Historical Biology 33, 12, 3579–3584. DOI:10.1080/08912963.2021.1878355
Bromley, R. G. 1981. Concepts in ichnology illustrated by small round holes in shells. Acta Geologica Hispanica 16, 1-2, 55-64.
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