Nemegtia
genus of crustaceans
Nemegtia is a genus of freshwater ostracods from the Late Cretaceous, known from the Nemegt Formation of Mongolia. The first fossils were collected from this formation by several Polish-Mongolian Palaeontological Expeditions during the years 1963 to 1965, and 1970 to 1971, and later described in 1978 by the Polish paleontologist Janina Szczechura. An earlier description of the 1960s was published in 1970 by Szczechura and colleague Janusz Błaszyk. Among the material, they coined the new ostracod species Cypridea biformata. This new species was re-examined by Szczechura in 1978 and concluded that it represented another species of the new genus Nemegtia, based on the species N. biformata, N. obliquecostae and N. reticulata. The genus is known from hundreds of specimens comprising carapaces and valves of adult to juvenile individuals that have been unearthed from the Altan Uul IV, Bügiin Tsav, Nemegt, Nogon Tsav and Tsagan Khushu localities of the Nemegt Formation.
Nemegtia has been confused with the oviraptorid Nemegtomaia, both from the same formation. This oviraptorid was originally named in 2004 as "Nemegtia", but this was changed to Nemegtomaia in 2005 as the former name was preoccupied by the earlier named Nemegtia.
This brief starts where responsible research should: with the source description of “Nemegtia” as genus of crustaceans. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the science & nature register because the source frames it as genus of crustaceans. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Feb 5, 2026. The linked authority identifier is Q2806284. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1963, 1965, 1970 and 1971.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Nemegtia” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.