Which type of large intestine worm was primarily studied by Ivan Mackerie?
Ivan Mackerle Ivan Mackerle (March 1942January 3, 2013) was a Czech cryptozoologist, author, design engineer, and explorer. He organized expeditions to search for the Loch Ness monster of Scotland, the Tasmanian tiger in Australia, and the elephant bird in Madagascar. He was most notable for his search of the Mongolian death worm, and he conducted three trips to Mongolia in 1990, 1992, and 2004. He authored numerous books and publications and from 1998 until 2002 he was chief editor of the Czech paranormal magazine "Fantastická fakta" ("Fantastic Facts").
Ancylostoma duodenale Ancylostoma duodenale is a species of the roundworm genus "Ancylostoma". It is a parasitic nematode worm and commonly known as the Old World hookworm. It lives in the small intestine of hosts such as humans, cats and dogs, where it is able to mate and mature. "Ancylostoma duodenale" and "Necator americanus" are the two human hookworms that are normally discussed together as the cause of hookworm infection. They are dioecious. "Ancylostoma duodenale" is abundant throughout the world, including in the following areas: southern Europe, north Africa, India, China, southeast Asia, some areas in the United States, the Caribbean, and South America.