Paleobiota Of Burmese Amber
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Paleobiota Of Burmese Amber
Burmese amber is fossil resin dating to the early Late Cretaceous Cenomanian age recovered from deposits in the Hukawng Valley of northern Myanmar. It is known for being one of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions. A mostly complete list of all taxa described up until 2018 can be found in Ross 2018; its supplement Ross 2019b covers most of 2019.Ross, A.J. 2019b. Burmese (Myanmar) amber taxa, on-line supplement v.2019.2'. 33pp. Amoebozoa Dictyostelia Myxogastria ''Incertae sedis'' Apicomplexa Aconoidasida Haemosporida Conoidasida Eugregarinorida Euglenozoa Kinetoplastea Trypanosomatida Metamonada Anaeromonadea Oxymonadida Trichonymphea Trichonymphida Trichomonadea Cristamonadida Spirotrichonymphida Trichomonadida "Opisthokonta" Mesomycetozoea Eccrinales Proteobacteria Alphaproteobacteria Rickettsiales Plants Chlorophyte green algaes Chae ...
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Burmese Amber
Burmese amber, also known as Burmite or Kachin amber, is amber from the Hukawng Valley in northern Myanmar. The amber is dated to around 100 million years ago, during the latest Albian to earliest Cenomanian ages of the mid-Cretaceous period. The amber is of significant palaeontological interest due to the diversity of flora and fauna contained as inclusions, particularly arthropods including insects and arachnids but also birds, lizards, snakes, frogs and fragmentary dinosaur remains. The amber has been known and commercially exploited since the first century AD, and has been known to science since the mid-nineteenth century. Research on the deposit has attracted controversy due to its alleged role in funding internal conflict in Myanmar and hazardous working conditions in the mines where it is collected. Geological context, depositional environment and age The amber is found within the Hukawng Basin, a large Cretaceous-Cenozoic sedimentary basin within northern Myanmar. The s ...
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Paleohaemoproteus Burmacis
''Paleohaemoproteus'' is an extinct genus of ''Haemoproteus'' like organisms. The type species and only known example is that of an isolate found in the abdominal cavity of a female biting midge trapped 100 million years ago in amber found in Myanmar. The amber has been dated to the Early Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ... epoch. References Parasites of Diptera Haemosporida Apicomplexa genera Prehistoric SAR supergroup genera {{Apicomplexa-stub ...
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Oxymonadida
The Oxymonads (or Oxymonadida) are a group of flagellated protozoa found exclusively in the intestines of termites and other wood-eating insects. Along with the similar parabasalid flagellates, they harbor the symbiotic bacteria that are responsible for breaking down cellulose. It includes ''Dinenympha'', ''Pyrsonympha'', and ''Oxymonas''. Characteristics Most Oxymonads are around 50 μm in size and have a single nucleus, associated with four flagella. Their basal bodies give rise to several long sheets of microtubules, which form an organelle called an axostyle, but different in structure from the axostyles of parabasalids. The cell may use the axostyle to swim, as the sheets slide past one another and cause it to undulate. An associated fiber called the preaxostyle separates the flagella into two pairs. A few oxymonads have multiple nuclei, flagella, and axostyles. Relationship to Trimastix The free-living flagellate ''Trimastix'' is closely related to the oxymonads. It lac ...
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Leptoconops Nosopheris
''Leptoconops nosopheris'' is an extinct species of biting midges belonging to the family Ceratopogonidae. This species was described from fossilized remains preserved in Burmese amber from the Early Cretaceous. The amber containing the fossil was mined in the Hukawng Valley, in Kachin State, Myanmar The female type specimen was entrapped in amber shortly after ingesting a meal of blood. This blood was infected with a mass of parasitic trypanosomes Trypanosomatida is a group of kinetoplastid excavates distinguished by having only a single flagellum. The name is derived from the Greek ''trypano'' (borer) and ''soma'' (body) because of the corkscrew-like motion of some trypanosomatid species. ..., '' Paleotrypanosoma burmanicus'', which were also preserved. ''L. nosopheris'' is the first species of ''Leptonocops'' to be associated with trypanosomes. The species name ''nosopheris'' is from the Greek words ''nosos'', meaning disease, and ''phero'', meaning to carry or bear. Re ...
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Paleoleishmania Proterus Shot Procyclic Promastigotes In Palaeomyia Burmitis
''Paleoleishmania'' is an extinct genus of kinetoplastids, a monophyletic group of unicellular parasitic flagellate protozoa. At present it is placed in the family Trypanosomatidae. The genus contains two species, ''Paleoleishmania neotropicum'' and the type species ''Paleoleishmania proterus''. The genus is known from the Albian aged Burmese amber deposits of northern Myanmar and the Burdigalian aged Dominican amber deposits on the island of Hispaniola. Etymology The genus name ''Paleoleishmania'' is derived from the Greek ''paleo'' meaning "old" and ''leishmania'' referencing the modern Leishmaniasis-causing genus ''Leishmania''. All trypanosomes are heteroxenous (requiring more than one obligatory host in order to complete life cycle) or are transmitted through some variation of a vector. ''Paleoleishmania proterus'' The genus was described in 2004 by George Poinar Jr. and Robert Poinar in the journal ''Protist'' from amastigotes, promastigotes and paramastigotes pre ...
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Paleoleishmania Proterus
''Paleoleishmania'' is an extinct genus of kinetoplastids, a monophyletic group of unicellular parasitic flagellate protozoa. At present it is placed in the family Trypanosomatidae. The genus contains two species, ''Paleoleishmania neotropicum'' and the type species ''Paleoleishmania proterus''. The genus is known from the Albian aged Burmese amber deposits of northern Myanmar and the Burdigalian aged Dominican amber deposits on the island of Hispaniola. Etymology The genus name ''Paleoleishmania'' is derived from the Greek ''paleo'' meaning "old" and ''leishmania'' referencing the modern Leishmaniasis-causing genus ''Leishmania''. All trypanosomes are heteroxenous (requiring more than one obligatory host in order to complete life cycle) or are transmitted through some variation of a vector. ''Paleoleishmania proterus'' The genus was described in 2004 by George Poinar Jr. and Robert Poinar in the journal ''Protist'' from amastigotes, promastigotes and paramastigotes pre ...
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Trypanosomatida
Trypanosomatida is a group of kinetoplastid excavates distinguished by having only a single flagellum. The name is derived from the Greek ''trypano'' (borer) and ''soma'' (body) because of the corkscrew-like motion of some trypanosomatid species. All members are exclusively parasitic, found primarily in insects. A few genera have life-cycles involving a secondary host, which may be a vertebrate, invertebrate or plant. These include several species that cause major diseases in humans. Some trypanosomatida are intracellular parasites, with the important exception of Trypanosoma brucei. Medical importance The three major human diseases caused by trypanosomatids are; African trypanosomiasis (sleeping sickness, caused by ''Trypanosoma brucei'' and transmitted by tsetse flies), South American trypanosomiasis (Chagas disease, caused by '' T. cruzi'' and transmitted by triatomine bugs), and leishmaniasis (a set of trypanosomal diseases caused by various species of ''Leishmania'' trans ...
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