Suárez Andrés, J.L. 2014. Bioclaustration in Devonian fenestrate bryozoans. The ichnogenus Caupokeras McKinney, 2009. Spanish Journal of Palaeontology. 29, 1 (jun. 2014), 5–14. DOI:https://doi.org/10.7203/sjp.29.1.17483.