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").
Maritrema prosthometra Maritrema prosthometra is a parasitic fluke from North America. It was first described in 1969 from the intestine of the clapper rail ("Rallus crepitans") in eastern North America. Later, it was also found in the small intestine of 5% of a sample of marsh rice rats ("Oryzomys palustris") collected in a salt marsh at Cedar Key, Florida, where it used the fiddler crab "Uca pigilator" as an intermediate host.