Freshwater leech (Annelida: Hirudinida) distribution in the Canadian Province of Newfoundland and Labrador and adjacent regions: check-list, new records, new pigmentation forms, and Pleistocene refugia Author Madill, Jacqueline Author Hovingh, Peter text Zootaxa 2007 1657 1 21 journal article 10.5281/zenodo.179881 4450f512-2b32-4d43-8291-95a78b92b0b4 1175-5326 179881 Theromyzon sp. Common names: Waterfowl leech or duck leech General distribution: Holarctic ( Figures 2 C, 3B, Table 1 ). Newfoundland: Museum specimen: Site 6 (CMNA 2006–0003). The species is undetermined since the gonopore separation could not be deciphered. Maculate pigmentation, especially evident around the dorsal edge. Previously unreported for Newfoundland and Labrador. This taxon is unusually rare for a region with an abundance of waterfowl.