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").
Trichuris serrata Trichuris serrata, commonly known as a whipworm, is a nematode of the "Trichuris" genus first discovered in domestic Brazilian cats by Dr. Otto Friedrich Bernhard von Linstow in 1879. Since then, there have been reports of this species in North and South America, Australia, and the Caribbean islands. Information regarding the species' general life cycle and egg development can be seen in the "Trichuris" page.