1.
Madill J, Hovingh P.

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

. Zootaxa [Internet]. 2007 Dec. 7 [cited 2025 Apr. 4];1657(1):1–21. Available from: https://mapress.com/zt/article/view/zootaxa.1657.1.1