Bock, P. (2021). World List of Bryozoa. Walkeria tremula Hincks, 1862. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://marbef.org/data/aphia.php?p=taxdetails&id=470745 on 2024-05-02
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Walkeria tremula Hincks, 1862. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=470745 on 2024-05-02