Which type of large intestine worm was primarily studied by Ivan Mackerie?
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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").
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Mongolian death worm The Mongolian death worm (Mongolian: олгой-хорхой , olgoi-khorkhoi, "large intestine worm") is a creature
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Pale green eel The pale green eel ("Heteroconger digueti"), also known as the pale garden eel or the Cortez garden eel, is an eel in the family Congridae (conger/garden eels). It was described by Jacques Pellegrin in 1923, originally under the genus "Taenioconger". It is a nonmigratory marine, deepwater-dwelling eel which is known from the eastern central Pacific Ocean, including the Gulf of California and Mexico. It dwells at a depth of 230 to and inhabits sandy sediments near reefs in large colonies. Males can reach a maximum total length of 63 cm .
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Cestoda Cestoda (Cestoidea) is a class of parasitic worms of the flatworm (Platyhelminthes) phylum. They are informally referred to as cestodes. The best-known species are commonly called tapeworms. All cestodes are parasitic and their life histories vary, but typically they live in the digestive tracts of vertebrates as adults, and often in the bodies of other species of animals as juveniles. Over a thousand species have been described, and all vertebrate species may be parasitised by at least one species of tapeworm.
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Hans Vogel (scientist) Hans Vogel (20 January 1900 – 5 April 1980) was a German scientist known for his work in helminthology (study of parasitic worms). For much of his career he was associated with the Bernhard Nocht Institute for Tropical Medicine in Hamburg.
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Strongyloides procyonis Strongyloides procyonis is a parasitic roundworm infecting the small intestine of the raccoon, "Procyon lotor", hence its name. It was first described from Louisiana. It is morphologically similar to "S. stercoralis", and as such infections of "S. procyonis" in humans, dogs, and other animals might be mistaken for the former.
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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.
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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.
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Strongyloides physali Strongyloides physali is a parasitic roundworm infecting the large intestine of the Gulf Coast toad. It was first described from Louisiana.
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Inanidrilus wasseri Inanidrilus wasseri is a species of annelid worm. It is known from subtidal sands near the Lizard Island in the northern part of the Great Barrier Reef. Preserved specimens measure 14.1 - in length. The specific name "wasseri" honours Mr Robert Wasser, a maintenance officer at the Lizard Island Research Station.
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Erinaceusyllis ettiennei Erinaceusyllis ettiennei is a species belonging to the phylum Annelida, a group known as the segmented worms. "E. ettiennei" is characterized by its compound chaetae with slender and thin blades, which are curved as a sabre. The most similar species is "Erinaceusyllis serratosetosa", but is differentiated by the size of its body and the compound chaetae, which have long and curved marginal spines on its long blades in "E. serratosetosa". The species is named in honour of Ettienne Fourie.
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Indus worm The skōlex (Indus Worm or the horrible Indian worm), in ancient Greek writings, was a supposed giant, white, carnivorous worm with a large pair of teeth that lived in the Indus River.
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Capitella capitata Capitella capitata is a polychaete worm that grows up to 10 cm in length. It is often blood-red in colour. The species is sedentary and fragile, with a flexible body.
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Macrostomum Macrostomum is a genus of Platyhelminthes with a distribution, with over a hundred species described to date. These hermaphroditic, flatworms are usually small in size, with large species reaching up to 5 mm in body length (e.g. "Macrostomum tuba"). They are usually transparent, and the smaller species appear rather round in cross-section than dorsoventrally flattened.
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Toxocara canis Toxocara canis (also known as dog roundworm) is worldwide-distributed helminth parasite of dogs and other canids. "Toxocara canis" is gonochoristic, adult worms measure from 9 to 18 cm, are yellow-white in color, and occur in the intestine of the definitive host. In adult dogs, the infection is usually asymptomatic. By contrast, massive infection with "Toxocara canis" can be fatal in puppies.
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Kristaps Helmanis Kristaps Helmanis (German: "Christopher Hellmann" , Russian: Христофор Иванович Гельман ; 3 June 1848 – 2 March 1892) was a Latvian vaccinologist and microbiologist. He discovered tuberculin simultaneously with Robert Koch and mallein together with Oto Kalniņš (1891).
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Strongyloides stercoralis Strongyloides stercoralis is a human pathogenic parasitic roundworm causing the disease strongyloidiasis. Its common name is threadworm. In the UK and Australia, however, the term "threadworm" can also refer to nematodes of the genus "Enterobius", otherwise known as pinworms.
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Giant earthworm The Giant earthworm is a name often given to a variety of large invertebrates in the class "Clitellata", many being from the family "Megascolecidae". It may refer to:
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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.
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Cooperia oncophora "Cooperia oncophora" is one of the most common intestinal parasitic nematodes in cattle in temperate regions. Infections with "C. oncophora" may result in mild clinical symptoms, but can lead to weight loss and damage of the small intestine, especially when co-infections with other nematodes such as "O. ostertagi" occur. Infections are usually treated with broad-spectrum anthelmintics such as benzimidazole, but resistance to these drugs has developed in the last decades and is now very common. "C. oncophora" has a direct life cycle. Infective larvae are ingested by the host. The larvae grow to adults, which reproduce in the small intestines. Eggs are shed onto the pasture with the faeces, which leads to new infections. Co-infections with other gastro-intestinal nematodes such as "O. ostertagi" and "H. contortus" are common.
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Typhlops cariei Typhlops cariei commonly known as Hoffstetter's worm snake is an extinct blind snake species which was endemic to Mauritius. It is named for Paul Carié (1876–1930), an amateur naturalist attached to the Museum national d'Histoire naturelle, who made excavations in Mare aux Songes around 1900 where the remains of this species were discovered.
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Salvatoria pilkena Salvatoria pilkena is a species belonging to the phylum Annelida, a group known as the segmented worms. The species name comes from an Aboriginal word, "pilkena", meaning "different", due to its characteristic features. "Salvatoria pilkena" belongs to a reduced group of species that possess rugose dorsal cirri, contrary to the typical spindle-shaped cirri found in its genus. It also lacks dorsal cirri on chaetiger 2. It resembles "Salvatoria swedmarki" and "S. celiae", differing from "pilkena" in that the latter has significantly longer proventricles, while its compound chaetae are short and unidentate. At the same time, "S. opisthodentata" has a similar body and compound chaetae but appears to possess dorsal cirri on its chaetiger 2.