• Leeches (Hirudinea) constitute a relatively small monophyletic group of highly specialized annelids, but may play important roles as invertebrate predators in freshwater, while others are infamous for their ectoparasitic bloodsucking. (springer.com)
  • Fish leeches of Poland in relation to the Palearctic piscicolines (Hirudinea: Piscicolidae: Piscicolinae). (springer.com)
  • Freshwater leeches (Annelida: Hirudinea) of North America. (springer.com)
  • THE WASMANN JOURNAL OF BIOLOGY VoL. 9, No. 1 SPIII !W, 1951 leeches (Hirudinea) from Alaskan and Adjacent Waters J . PERCY MOORE , UniveTsi.ty ot Pennsylvania, Phila-dcltJhia, Pennsylvania, and MARVIN C. MEYER, Uni-veTSity of Maine. (usfca.edu)
  • A small number of sanguivorous species known as "medicinal leeches" have played an important role in traditional and modern medicine, most noticeably four Hirudo spp. (springer.com)
  • 01·ono, Maine 'l'he studies upon which this paper is based had their incep-tion in the submission to one of us (lVI.C.M.) by Dr. Waldo L. Schmitt of the United States National Museum of a collection of marine leeches made during the two expeditions of the Fish and Wildlife Service (1940 and1941) for the survey of the king crab ( Pamlithode.s spp. (usfca.edu)