Cartwright, Paulyn, Evans, Nathaniel M., Dunn, Casey W., Marques, Antonio C., Miglietta, Maria Pia, Schuchert, Peter, and Collins, Allen Gilbert. 2008. "Phylogenetics of Hydroidolina (Hydrozoa: Cnidaria)." Journal of the Marine Biological Association of the United Kingdom. 88:1663–1672.