(of)Müller, O. F. (1773). Vermium terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. <em>Havniæ (Copenhagen) & Lipsiæ (Leipzig), Heineck & Faber.</em> 1: 1-136., available online athttps://www.biodiversitylibrary.org/item/50344[details]
original description(of)Müller, O. F. (1773). Vermium terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. <em>Havniæ (Copenhagen) & Lipsiæ (Leipzig), Heineck & Faber.</em> 1: 1-136., available online athttps://www.biodiversitylibrary.org/item/50344[details]