Kånneby, T., Todaro, M.A. and Jondelius, U. 2009. One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus. Zootaxa. 2278, 1 (Nov. 2009), 26–46. DOI:https://doi.org/10.11646/zootaxa.2278.1.2.