2019 In Paleontology
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2019 In Paleontology
Flora Plants Fungi Paleomycological research * Fossil sporocarps indistinguishable from sporocarps of members of the extant genus ''Stemonitis'' are described from the Cretaceous amber from Myanmar by Rikkinen, Grimaldi & Schmidt (2019). * A study on the impact of major historical events such as the Cretaceous–Paleogene extinction event on the evolution of two major subclasses of lichen-forming fungi ( Lecanoromycetidae and Ostropomycetidae) is published by Huang ''et al.'' (2019). * Description of crustose lichens from European Paleogene amber is published by Kaasalainen ''et al.'' (2019). * Fungi belonging to the genera '' Periconia'', ''Penicillium'' and ''Scopulariopsis'', representing the first and the oldest known fossil record of these taxa, are described from the Eocene Baltic amber by Tischer ''et al.'' (2019). Sponges Research * Sponge spicules and spicule-like structures that probably represent sponge fossils are described from four sections of the Ediacaran-Ca ...
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Chaetosphaeria Elsikii
''Chaetosphaeria'' is a genus of fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ... in the family Chaetosphaeriaceae. Species *'' Chaetosphaeria abietis'' *'' Chaetosphaeria acutata'' *'' Chaetosphaeria africana'' *'' Chaetosphaeria albida'' *'' Chaetosphaeria alboferruginea'' *'' Chaetosphaeria ampulliformis'' *'' Chaetosphaeria angelicae'' *'' Chaetosphaeria anglica'' *'' Chaetosphaeria arecacensis'' *'' Chaetosphaeria aspergilloides'' *'' Chaetosphaeria aterrima'' *'' Chaetosphaeria atriella'' *'' Chaetosphaeria atrobarba'' *'' Chaetosphaeria barbicincta'' *'' Chaetosphaeria bicellula'' *'' Chaetosphaeria bihyalina'' *'' Chaetosphaeria bombycina'' *'' Chaetosphaeria bramleyi'' *'' Chaetosphaeria brasiliensis'' *'' Chaetosphaeria brevicollis'' *'' Chaetosphaeria brevispin ...
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Grassy Bay Formation
Grassy (meaning 'covered with grass' or 'resembling grass') may refer to: Populated places *Grassy, Lauderdale County, Alabama, an unincorporated community *Grassy, Marshall County, Alabama, an unincorporated community *Grassy, Missouri, unincorporated community in western Bollinger County, Missouri, United States *Grassy, Tasmania, small town on King Island in the Australian state of Tasmania Geographical features *Grassy Cove, enclosed valley in Cumberland County, Tennessee, in the southeastern United States *Grassy Hill, the tenth highest hill in Hong Kong *Grassy Island, small, uninhabited 72-acre (29 ha) American island in the Detroit River *Grassy Key, island in the middle Florida Keys *Grassy Lake Dam, small dam operated by the U.S. Bureau of Reclamation in Teton County, Wyoming *Grassy Range, mountain range in Jackson County, Oregon *Grassy Ridge Grassy Ridge is a ridge in the Blue Ridge Mountains in Georgia that runs south to north along the Eastern Continental Divi ...
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Trichomycetes
Trichomycetes refers to a group of fungi in the division Zygomycota that grow in the guts of arthropods living in aquatic habitats. The name is obsolete, having not been validly published. Species formerly placed in the Trichomycetes are now placed in the orders Harpellales and Asellariales, both in the suborder subdivision Kickxellomycotina, while Amoebidiales and Eccrinales Eccrinales are an order of eukaryotes, previously thought to be zygomycete fungi belonging to the class Trichomycetes, but now considered to be members of the opisthokont The opisthokonts () are a broad group of eukaryotes, including both the ... are included in Opisthokonta. References Zygomycota Obsolete fungus taxa {{zygomycota-stub ...
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Kickxellomycotina
Kickxellomycotina is a fungus grouping. In the subkingdom of Zoopagomyceta . The name was changed from "Harpellomycotina", because "Kickxellomycotina" had an older stem. It came from the genus '' Kickxella'', named after Jean Kickx. Orders include Asellariales, Kickxellales, Dimargaritales, and Harpellales. Taxonomy Taxonomy based on the work of Wijayawardene et al. 2019. Subphylum Kickxellomycotina Benny 2007 arpellomycotina Doweld 2014* Class Dimargaritomycetes Tedersoo et al. 2018 ** Order Ramicandelaberales Doweld 2014 *** Family Ramicandelaberaceae Doweld 2014 ** Order Dimargaritales Benjamin 1979 *** Family Spinaliaceae Doweld 2014 *** Family Dimargaritaceae Benjamin 1959 * Class Kickxellomycetes Tedersoo et al. 2018 ** Order Barbatosporales Doweld 2014 *** Family Barbatosporaceae Doweld 2014 ** Order Spiromycetales Doweld 2014 *** Family Spiromycetaceae Doweld 2014 ** Order Orphellales Valle et al. 2018 *** Family Orphellaceae Doweld 2014 ** Order Kickxell ...
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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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Cenomanian
The Cenomanian is, in the ICS' geological timescale, the oldest or earliest age of the Late Cretaceous Epoch or the lowest stage of the Upper Cretaceous Series. An age is a unit of geochronology; it is a unit of time; the stage is a unit in the stratigraphic column deposited during the corresponding age. Both age and stage bear the same name. As a unit of geologic time measure, the Cenomanian Age spans the time between 100.5 and 93.9 million years ago (Mya). In the geologic timescale, it is preceded by the Albian and is followed by the Turonian. The Upper Cenomanian starts around at 95 Mya. The Cenomanian is coeval with the Woodbinian of the regional timescale of the Gulf of Mexico and the early part of the Eaglefordian of the regional timescale of the East Coast of the United States. At the end of the Cenomanian, an anoxic event took place, called the Cenomanian-Turonian boundary event or the "Bonarelli event", that is associated with a minor extinction event for marine spec ...
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Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the Latin word for the white limestone known as chalk. The chalk of northern France and the white cliffs of south-eastern England date from the Cretaceous Period. Climate During the Late Cretaceous, the climate was warmer than present, although throughout the period a cooling trend is evident. The tropics became restricted to equatorial regions and northern latitudes experienced markedly more seasonal climatic conditions. Geography Due to plate tectonics, the Americas were gradually moving westward, causing the Atlantic Ocean to expand. The Western Interior Seaway divided North America into eastern and western halves; Appalachia and Laramidia. India maintained a northward course towards Asia. In the Southern Hemisphere, Australia and Ant ...
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Ophiocordycipitaceae
Ophiocordycipitaceae is a family of parasitic fungi in the Ascomycota, class Sordariomycetes. Genera *'' Blistum'' *'' Didymobotryopsis'' *'' Haptocillium'' *'' Harposporium'' (Anamorphic) *'' Ophiocordyceps''; anamorphic genera: **''Hirsutella'' **'' Hymenostilbe'' **'' Paraisaria'' **'' Syngliocladium'' *'' Polycephalomyces'' *''Purpureocillium'' *'' Synnematium'' *''Tolypocladium'' (Anamorphic) *'' Trichosterigma'' *†'' Paleoophiocordyceps'' See also *Cordycipitaceae The Cordycipitaceae are a family of parasitic fungi in the Ascomycota, class Sordariomycetes and order Hypocreales. The family was first published in 1969 by mycologist Hanns Kreisel, but the naming was invalid according to the code of Internatio ... * Cordyceps References External links * {{Taxonbar, from=Q3109747 Ascomycota families ...
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Baltic Amber
The Baltic region is home to the largest known deposit of amber, called Baltic amber or succinite. It was produced sometime during the Eocene epoch, but exactly when is controversial. It has been estimated that these forests created more than 100,000 tons of amber. Today, more than 90% of the world's amber comes from Kaliningrad Oblast of Russia. It is a major source of income for the region; the local Kaliningrad Amber Combine extracted 250 tonnes of it in 2014, 400 tonnes in 2015. "Baltic amber" was formerly thought to include amber from the Bitterfeld Lignite, brown coal mines in Saxony (Eastern Germany). Bitterfeld amber was previously believed to be only 20–22 million years old (Miocene), but a comparison of the animal inclusions in 2003 suggested that it was possibly Baltic amber that was redeposited in a Miocene deposit. Further study of insect taxa in the ambers has shown Bitterfeld amber to be from the same forest as the Baltic amber forest, but separately deposited f ...
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Phoma
''Phoma'' is a genus of common coelomycetous soil fungi. It contains many plant pathogenic species. Description Spores are colorless and unicellular. The pycnidia are black and depressed in the tissues of the host. ''Phoma'' is arbitrarily limited to those species in which the spores are less than 15  µm as the larger spored forms have been placed in the genus ''Macrophoma''. The most important species include ''Phoma beta'' which is the cause of the heart rot and blight of beets, ''Phoma batata'' that produces a dry rot of sweet potato, and ''Phoma solani''. Taxonomy About 140 ''Phoma'' taxa have been defined and recognized which may be divided into two large groups: (i) plurivorous fungi, generally saprobic or weakly parasitic, mainly from temperate regions in Eurasia, but occasionally also found in other parts of the world (including areas with cool or warm climates); and (ii) specific pathogens of cultivated plants. However other estimates place the number of taxa ...
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