Clarke, S. F. 1882. New and interesting hydroids from Chesapeake Bay. Memoirs of the Boston Society of Natural History 3: 135-142, pls 7-9., available online athttps://www.biodiversitylibrary.org/page/7751215 page(s): 136 [details]
Schuchert, P. (2024). World Hydrozoa Database. Calyptospadix Clarke, 1882. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=291496 on 2024-03-29
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Calyptospadix Clarke, 1882. Accessed at: http://www.marbef.org/data./aphia.php?p=taxdetails&id=291496 on 2024-03-29
original descriptionClarke, S. F. 1882. New and interesting hydroids from Chesapeake Bay. Memoirs of the Boston Society of Natural History 3: 135-142, pls 7-9., available online athttps://www.biodiversitylibrary.org/page/7751215 page(s): 136 [details]
status sourceCalder, D. R. (2019). On a collection of hydroids (Cnidaria, Hydrozoa) from the southwest coast of Florida, USA. <em>Zootaxa.</em> 4689(1): 1-141., available online athttps://doi.org/10.11646/zootaxa.4689.1.1 page(s): 21 [details]