Keferstein, W. (1862). Untersuchungen über niedere Seethiere. <em>Zeitschrift für wissenschaftliche Zoologie.</em> 12(1): 1–147 plates 1–11., available online athttps://www.biodiversitylibrary.org/page/44977773 page(s): 27, pl. 2 figs 1-2 [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Sarsia clavata Keferstein, 1862. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://www.marbef.org//www.marbef.org/data/aphia.php?p=taxdetails&id=292600 on 2026-09-14
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Sarsia clavata Keferstein, 1862. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=292600 on 2026-09-14
original descriptionKeferstein, W. (1862). Untersuchungen über niedere Seethiere. <em>Zeitschrift für wissenschaftliche Zoologie.</em> 12(1): 1–147 plates 1–11., available online athttps://www.biodiversitylibrary.org/page/44977773 page(s): 27, pl. 2 figs 1-2 [details]