Other research related to paleontology, including research related to
geology,
palaeogeography,
paleoceanography and
paleoclimatology. • A study on the biological oxygen production during the
Mesoarchean, as indicated by data from Mesoarchean shales of the Mozaan Group (Pongola Supergroup,
South Africa) preserving record of a shallow ocean "oxygen oasis", is published by Ossa Ossa
et al. (2019). • A study on the extent of the oxygenation of ocean waters over
continental shelves before the
Great Oxidation Event, as indicated by data from 2.5-billion-year-old Mount McRae Shale (
Australia), is published by Ostrander
et al. (2019). • A study on the extent of the oxygenation of shallow oceans 2.45 billion years ago is published by Rasmussen
et al. (2019), who interpret their findings as indicating that oxygen levels both the surface oceans and atmosphere were exceedingly low before the Great Oxidation Event, which the authors interpret as directly caused by evolution of oxygenic
photosynthesis. • A study aiming to determine whether the overall size of the
biosphere decreased at the end of the Great Oxidation Event, based on data on isotope
geochemistry of
sulfate minerals from the Belcher Group (subarctic
Canada), is published by Hodgskiss
et al. (2019). • Evidence of a burst of
mantle activity at the end of the
Archean (around 2.5 billion years ago) is presented by Marty
et al. (2019), who interpret their findings as lending credence to models advocating a magmatic origin for environmental changes such as the Great Oxidation Event. • A study aiming to determine the effects of competition of early
anoxygenic phototrophs and primitive
oxygenic phototrophs on the Earth system, especially on the large-scale oxygenation of Earth's atmosphere ~2.3 billion years ago, is published by Ozaki
et al. (2019). • A study on the
geochemistry of mat-related structures and their host sediments from the
Francevillian Formation (
Gabon) is published by Aubineau
et al. (2019), who evaluate the implications of their findings for the knowledge whether ancient microbes induced illitisation (conversion of
smectite to
illite–smectite mixed-layer minerals), and for the knowledge of Earth's climate and ocean chemistry in the
Paleoproterozoic. • A study on the organic geochemical (biomarker) signatures of the 1.38-billion-years-old black siltstones of the
Velkerri Formation (
Australia), and on their implications for inferring the microbial diversity and palaeoenvironment of the
Proterozoic Roper Seaway, is published by Jarrett
et al. (2019). • A study on the origins of putative
stromatolites and associated carbonate minerals from lacustrine sedimentary rocks of the 1.1-billion-years-old
Stoer Group is published by Brasier
et al. (2019). • A study suggesting a link between early evolution and diversification of animals and high availability of
copper in the late Neoproterozoic is published by Parnell & Boyce (2019). • A study aiming to determine the cause of the uniquely high amplitudes of Neoproterozoic
δ13C excursions is published by Shields
et al. (2019). • A study evaluating the possible relationship between the
Cryogenian magmatic activity and the evolution of early life, based on data from the Cryogenian Yaolinghe Group (
China), is published by Long, Zhang & Luo (2019). • Evidence for oxygenated waters near ice sheet grounding lines during the Cryogenian is presented by Lechte
et al. (2019). • A study on ocean oxygen levels during the Ediacaran
Shuram negative C-isotope Excursion and the middle Ediacaran, and on their implications for the evolution of the
Ediacaran biota, is published by Zhang
et al. (2019). • A study on the causes of widespread preservation of soft-bodied organisms in sandstones of the Ediacara Member in South Australia is published by Liu
et al. (2019). • A study on the seafloor oxygen
fugacity in the time of the emergence of the earliest known
benthic animals, as inferred from data from the latest Ediacaran
Dengying Formation (
China), is published by Ding
et al. (2019). • A study on the process of fossilization of Ediacaran organisms, and on its impact on the preservation of the external shape of these organisms, is published by Bobrovskiy
et al. (2019). • A study on the global extent of the oxygenation of seafloor, surface oceans and atmosphere during early Cambrian is published by Dahl
et al. (2019), who report evidence of two major oceanic anoxic events in the early Cambrian. • A study on nitrogen isotope and organic carbon isotope data from the lower Cambrian
Niutitang Formation (
China) is published online by Xu
et al. (2019), who link
nitrogen cycle perturbations to animal diversification during the early Cambrian. • A study on the paleoecological characteristics of Cambrian marine ecosystems of central
Sonora (
Mexico) is published by Romero
et al. (2019). • A study on seawater temperatures during the Cambrian, as indicated by data from oxygen isotope analyses of Cambrian brachiopod shells, is published by Wotte
et al. (2019). • A study on bottom-water
redox conditions in the late Cambrian
Alum Shale Sea, as indicated by sedimentary
molybdenum contents of the Alum Shale, is published by Dahl
et al. (2019), who interpret their findings as indicating that
anoxic sulfidic bottom waters were an intermittent rather than persistent feature of Cambrian oceans, and that early animals invaded the seafloor during oxygenated periods. • A study on the
paleogeographic position of all major Phanerozoic
arc-continent collisions, comparing it with the latitudinal distribution of ice-sheets throughout the Phanerozoic, is published by Macdonald
et al. (2019). • A study aiming to determine whether the
Ordovician meteor event directly affected Earth's climate and biota is published by Schmitz
et al. (2019). • A review of the evidence of evolutionary radiation of animals throughout the
Great Ordovician Biodiversification Event, and of environmental changes coincident with these biotic changes, is published by Stigall
et al. (2019). • A study on conodont oxygen isotope compositions in Ordovician samples from
Argentine Precordillera and
Laurentia, and on their implications for the knowledge of
palaeothermometry and drift of the Precordillera in the early Paleozoic, is published online by Albanesi
et al. (2019). • A study on carbon isotope data from
stratigraphic sections at Germany Valley (
West Virginia) and Union Furnace (
Pennsylvania) in the Central Appalachian Basin, evaluating its implications for the knowledge of change in atmospheric oxygen levels during the late Ordovician and its possible relationship with early diversification of land plants, is published by Adiatma
et al. (2019). • Signatures of Devonian (Famennian) forests and soils preserved in black shales in the southernmost
Appalachian Basin (
Chattanooga Shale;
Alabama, United States) are presented by Lu
et al. (2019). • A study examining the intensity of explosive volcanism from 400 to 200 million years ago, and evaluating its impact on the
late Paleozoic Ice Age, is published by Soreghan, Soreghan & Heavens (2019). • Description of Cisuralian charcoal from the Barro Branco coal seam (Siderópolis Member of the
Rio Bonito Formation,
Brazil), and a study on its implications for reconstruction of palaeo-wildfire occurrences in peat-forming vegetation through the Late Palaeozoic in
Gondwana, is published by Benicio
et al. (2019). • A study on the extent and causes of the end-
Capitanian extinction event, based on data from the Middle to Late Permian section of the Sverdrup Basin (
Ellesmere Island,
Canada), is published online by Bond, Wignall & Grasby (2019). • A study on the ocean chemistry during the
Permian–Triassic extinction event, as indicated by data from a new
stratigraphic section in
Utah, and on its implications for the knowledge of the causes of this extinction, is published by Burger, Estrada & Gustin (2019). • A study aiming to determine the
stratigraphic position of the end-Permian biotic crisis in the
Sydney Basin (
Australia) is published by Fielding
et al. (2019), who also attempt to determine the climate changes in this region concurrent with the end-Permian extinction. • A study on shifts in volcanic activity across the Permian-Triassic boundary, as indicated by measurements of
mercury in marine sections across the Northern Hemisphere, is published by Shen
et al. (2019). • A study on mercury enrichments in Permian-Triassic boundary sections from Lubei (South China craton) and Dalongkou (Junggar terrane), and on their implications for the knowledge of volcanic activity during the Permian-Triassic transition, is published by Shen
et al. (2019). • Evidence of the environmental transition from meandering to braided rivers and of the development of desert-like conditions in the earliest Triassic is reported from Permian-Triassic boundary sections in
Shanxi (China) by Zhu
et al. (2019). • A study on the nitrogen isotope variations in oceanic waters in the aftermath of the end-Permian mass extinction is published by Sun
et al. (2019), whose conceptual model indicates
ammonium intoxication of the oceans during this time period. • A study on microbially induced sedimentary structures from the Lower Triassic
Blind Fiord Formation (Arctic
Canada), evaluating their implications for the knowledge of the course of biotic recovery in the aftermath of the Permian–Triassic extinction event, is published online by Wignall
et al. (2019). • A study on the oxygen isotope compositions of discrete conodont elements from the Lower Triassic
Mianwali Formation (
Pakistan), and on their implications for inferring the timing of temperature changes and the interrelationship between climate and biodiversity patterns during the
Smithian-Spathian biotic crisis, is published by Goudemand
et al. (2019). • A study on nutrient availability through the Early to Middle Triassic along the northern margin of Pangea is published online by Grasby
et al. (2019). • A study on the character and extent of the Triassic Boreal Ocean delta plain across the area of the present-day
Barents Sea, interpreted as the largest delta plain reported so far, is published by Klausen, Nyberg & Helland-Hansen (2019). • A study aiming to determine links between volcanic activity in the
Central Atlantic magmatic province, elevated concentrations of
mercury in marine and terrestrial sediments and abnormalities of fossil fern spores across the Triassic-Jurassic boundary in southern Scandinavia and northern Germany is published by Lindström
et al. (2019). • A study aiming to reconstruct the palaeoenvironmental changes of the late
Pliensbachian outside of Western
Tethys Ocean and to test their temporal relation to
large igneous province volcanism is published by De Lena
et al. (2019). • Krencker, Lindström & Bodin (2019) present
sedimentological, paleontological and
geochemical evidence from the Central
High Atlas Basin (
Morocco) and
Jameson Land (
Greenland) indicative of the occurrence of a major sea-level drop prior to the onset of the Toarcian oceanic anoxic event. • A study on the duration of the Toarcian oceanic anoxic event, as indicated by data from the Talghemt section in the
High Atlas (
Morocco), is published by Boulila
et al. (2019). • A study on the
Middle Jurassic palaeoenvironment of
La Voulte (
France), as indicated by data from exceptionally preserved eyes of the
polychelidan lobster
Voulteryon parvulus and from
epibiontic brachiopods associated with
V. parvulus, is published by Audo
et al. (2019). • A study comparing the Jurassic floras of the Ayuquila Basin and the Otlaltepec Basin (
Mexico) and evaluating their implications for the knowledge of the Jurassic environments of these basins is published by Velasco-de León
et al. (2019). • A study on
Jurassic paleomagnetism, based on an updated set of Jurassic
paleopoles from
Adria (
Italy), is published by Muttoni & Kent (2019). • A study on the
chronostratigraphy of the Upper Jurassic
Morrison Formation is published by Maidment & Muxworthy (2019). • Evidence of repeated significant oceanic and biotic turnovers in the area of the present-day
Gulf of Mexico at the Jurassic-Cretaceous transition is presented by Zell
et al. (2019). • A study on the age of the dinosaur-bearing Upper Jurassic–Lower Cretaceous sediments of western
Maestrazgo Basin and
South-Iberian Basin (eastern
Spain), aiming to also reconstruct the palaeoenvironments of this area on the basis of data from these sediments, is published by Campos-Soto
et al. (2019). • A review of data on the Jurassic and Cretaceous climates of Siberia is published by Rogov
et al. (2019). • A study on global climatic changes during the Early Cretaceous, focusing on the duration and magnitude of Early Cretaceous cold episodes, is published by Vickers
et al. (2019). • Evidence from the Lower Cretaceous strata around the southern margin of the
Eromanga Basin (
Australia) indicative of cold (limited glacial and/or seasonal freezing) conditions persisting in Southern Australia through the
Hauterivian and the
Aptian is presented by Alley, Hore & Frakes (2019). • A study on
phototropism in extant trees from Beijing and
Jilin Provinces and fossil tree trunks from the
Jurassic Tiaojishan and
Tuchengzi formations in
Liaoning and Beijing regions (
China), and on its implications for inferring the history of the rotation of the
North China Block, is published by Jiang
et al. (2019). • A study on the age of the Cretaceous
Cloverly Formation is published by D'Emic
et al. (2019). • Evidence from the
chronostratigraphy, fossil content, bracketing
facies and ages of the Cretaceous
Wayan Formation of
Idaho and Vaughn Member of the
Blackleaf Formation of
Montana, indicating that they represent the same depositional system prior to disruption by subsequent tectonic and volcanic events, is presented by Krumenacker (2019). • A study on
Cenomanian plants from the Redmond no.1 mine near Schefferville (
Redmond Formation;
Labrador Peninsula,
Canada) and on their implications for the knowledge of paleoclimate of this site is published by Demers-Potvin & Larsson (2019). • The first high-resolution record of
Cenomanian–
Turonian paleotemperatures from the Southern Hemisphere, as indicated by data from the
Ocean Drilling Program Site 1138 on the
Kerguelen Plateau, is presented by Robinson
et al. (2019). • A study on the impact of marine biogeochemical processes on the
Cretaceous Thermal Maximum is published by Wallmann
et al. (2019). • A study on the age of the
Upper Cretaceous Wadi Milk Formation (
Sudan) is published by Owusu Agyemang
et al. (2019). • A study on
Cenomanian to
Coniacian polar environmental conditions at eight locations in northeast
Russia and northern
Alaska is published online by Spicer
et al. (2019). • A study on variability of carbon, oxygen and nitrogen isotopes in multiple tissues from a wide array of extant vertebrate taxa from the
Atchafalaya River Basin in
Louisiana (inferred to be an environmental analogue to the Late Cretaceous coastal floodplains of North America), and on its implications for formulating and testing predictions about ancient ecological communities based on stable isotope data from fossil specimens, is published by Cullen
et al. (2019). • A study on the general distribution and
stratigraphy of the lower shale member of the
Campanian Aguja Formation (
Texas, United States), and a revision of all significant larger vertebrate fossil specimens from these strata, is published by Lehman
et al. (2019). • High-precision dating for the
Battle Formation (
Alberta,
Canada) is presented by Eberth & Kamo (2019). • High-precision dating and the first calibrated
chronostratigraphy for the
Horseshoe Canyon Formation (
Alberta,
Canada) is presented by Eberth & Kamo (2019). • A study on the
Maastrichtian climate of Arctic
Alaska, based on data from the
Prince Creek Formation, is published by Salazar-Jaramillo
et al. (2019). • Studies on the timing of the
Deccan Traps volcanism close to the
Cretaceous-
Paleogene boundary are published by Schoene
et al. (2019), who interpret their findings as indicative of four high-volume eruptive periods close to the Cretaceous-Paleogene boundary, the first of which occurred tens of thousands of years prior to both the Chicxulub bolide impact and
Cretaceous–Paleogene extinction event and by Sprain
et al. (2019), who interpret their findings as indicating that a steady eruption of the flood basalts mostly occurred in the earliest Paleogene. • A study on the environmental variability before and across the Cretaceous-Paleogene mass extinction, as inferred from data on the calcium isotope ratios of
aragonitic mollusc shells from the
López de Bertodano Formation (
Antarctica), is published online by Linzmeier
et al. (2019). • A turbulently deposited sediment package directly overlain by the Cretaceous–Paleogene boundary
tonstein is reported from the Tanis site (
Hell Creek Formation,
North Dakota, United States) by DePalma
et al. (2019), who interpret their findings as indicating that deposition occurred shortly after a major bolide impact, and might have been caused by the
Chicxulub impact. • A study on the immediate aftermath of the Chicxulub impact at the Cretaceous–Paleogene boundary, based on data from the
Chicxulub crater, is published by Gulick
et al. (2019). • Evidence of rapid ocean acidification in the aftermath of the Chicxulub impact and of the protracted Earth system recovery after the Cretaceous–Paleogene extinction event is presented by Henehan
et al. (2019). • The longest, highest resolution, stratigraphically continuous, single-species
benthic foraminiferal carbon and oxygen isotope records for the Late
Maastrichtian to Early
Eocene from a single site in the South
Atlantic Ocean, providing information on the evolution of climate and carbon-cycling during this time period, are presented by Barnet
et al. (2019). • O'Leary
et al. (2019) publish a monograph on the sedimentology and sequence stratigraphy of the part of
Mali which was covered by an ancient
epeiric sea known as the Trans-Saharan Seaway during the
Late Cretaceous and early
Paleogene, provide the first formal description of and nomenclature for the Upper Cretaceous and lower Paleogene geological formations of this region, and revise fossil flora and fauna of this region. • Zeebe & Lourens (2019) provide a new absolute
astrochronology up to 58
Ma and a new Paleocene–Eocene boundary age. • A study on
stomata of fossil specimens of members of the family
Lauraceae from the
Eocene of
Australia and
New Zealand, evaluating their implications for reconstructions of Eocene
pCO2 levels, is published by Steinthorsdottir
et al. (2019). • Climate simulations capturing major climatic features of the Early Eocene and the
Paleocene–Eocene Thermal Maximum in a state-of-the-art Earth system model are presented by Zhu, Poulsen & Tierney (2019). • A study evaluating the utility of membrane
lipids of members of Thaumarchaeota (now
Nitrososphaerota) as proxies for the carbon isotope excursion and surface ocean warming, and assessing their implications for the knowledge of the source and size of carbon emissions during the Paleocene–Eocene Thermal Maximum, is published by Elling
et al. (2019). • A study on abundant black charcoal shards from Paleogene sites of Wilson Lake B (
New Jersey) and Randall's Farm (
Maryland) is published by Fung
et al. (2019), who interpret these shards as most likely to be evidence of widespread wildfires at the Paleocene-Eocene boundary caused by extraterrestrial impact. • A study on the impact of carbon-based greenhouse gas fluxes associated with the
North Atlantic Igneous Province on the onset of the Paleocene–Eocene Thermal Maximum is published by Jones
et al. (2019). • Evidence from the Deep Ivorian Basin offshore West Africa (equatorial
Atlantic Ocean), indicating that peak warming during the Middle Eocene Climatic Optimum was associated with upper-ocean
stratification, decreased
export production, and possibly harmful algal blooms, is presented by Cramwinckel
et al. (2019). • New stable isotopes record of the Middle Eocene Climatic Optimum event is reported from eastern
Turkey by Giorgioni
et al. (2019). • A study on variations of ocean circulation and marine bioproductivity related to the beginnings of the formation of the
Antarctic Circumpolar Current, based on data from Eocene and Oligocene sedimentary drift deposits east of
New Zealand, is published by Sarkar
et al. (2019). • A study on changes in surface water temperature in the eastern
North Sea Basin during the late
Priabonian to earliest
Rupelian is published by Śliwińska
et al. (2019). • A study linking the onset or strengthening of an
Atlantic meridional overturning circulation to the closure of the Arctic–Atlantic gateway at the Eocene–Oligocene transition is published by Hutchinson
et al. (2019). • A study on the timing of the uplift of the
Tibetan Plateau, as indicated by the discovery of the
Oligocene palm fossils in the Lunpola Basin in Tibet, is published by Su
et al. (2019). • A review of vertebrate fossils from the Tibetan Plateau, evaluating their implications for inferring the course of the uplift of the Tibetan Plateau, is published by Deng
et al. (2019). • A study on the impact of changing Eocene paleogeography and climate on the utility of stable isotope paleoaltimetry methods in the studies aiming to reconstruct the elevation history of the Tibetan Plateau is published by Botsyun
et al. (2019). • A study on the causes of the long-term climate cooling during the
Neogene is published by Rugenstein, Ibarra & von Blanckenburg (2019). • A study on the climatic and environmental conditions in the
Loperot site (
Kenya) in the early
Miocene is published by Liutkus-Pierce
et al. (2019). • A study on the timing and course of the separation of the
Indian Ocean and the
Mediterranean Sea in the Miocene is published by Bialik
et al. (2019). • A study comparing changes of the export of intermediate-depth Pacific waters to the western North Atlantic prior to the closure of the
Central American Seaway with records of strength of the
Atlantic meridional overturning circulation, evaluating the implications of this data for the knowledge of the timing of closure of the Central American Seaway, is published by Kirillova
et al. (2019). • A study on climatic and environmental changes in central
Andes during the late Miocene is published by Carrapa, Clementz & Feng (2019). • A study on the exact age of the marine fauna from the Miocene
Chilcatay and
Pisco formations (
Peru), and on its implications for reconstructions of local paleoenvironment, is published online by Bosio
et al. (2019). • A study on the origin of the African
C4 savannah grasslands is published by Polissar
et al. (2019). • A study on the anatomical traits of teeth and inferred diet of
bovids,
suids and
rhinocerotids from Kanapoi, and on their implications for reconstructing the environments of this site, is published online by Dumouchel & Bobe (2019). • New spatial data on the Plio-Pleistocene Bolt's Farm pits from the
Cradle of Humankind site (
South Africa) is presented by Edwards
et al. (2019), who also attempt to provide key
biochronological ages for the Bolt's Farm deposits. • A study on the global mean sea level during the Pliocene mid-
Piacenzian Warm Period is published by Dumitru
et al. (2019). • A study on the amplitude of sea-level variations during the Pliocene is published by Grant
et al. (2019). • Simulations of coevolution of climate, ice sheets and
carbon cycle over the past 3 million years are presented by Willeit
et al. (2019). • A study on the age of the
Sahara, as indicated by data from Pliocene and Pleistocene
paleosols from the
Canary Islands, is published by Muhs
et al. (2019). • A study on the latest
Villafranchian climate and environment of the area of southern
Italy, as indicated by amphibian and reptile fossil record from the Pirro Nord karstic complex, is published by Blain
et al. (2019). • A study on atmospheric gas levels before and after the shift from glacial cycles of 100 thousand years to 40-thousand-year cycles around one million years ago, as inferred from data from ice core samples from the Allan Hills Blue Ice Area (East Antarctica), is published by Yan
et al. (2019). • A study on
pCO2 levels from 2.6 to 0.8
Ma is published by Da
et al. (2019), who find no evidence indicating that the
Mid-Pleistocene Transition was caused by the decline of pCO2. • A study on changes in winter rainfall in the
Mediterranean over the past 1.36 million years is published by Wagner
et al. (2019). • Results of stable carbon and oxygen isotope analyses of
tooth enamel samples from
Pleistocene mammals from the Yugong Cave and Baxian Cave (
China) are presented by Sun
et al. (2019), who evaluate the implications of their findings for the knowledge of Pleistocene climatic and environmental changes in South China. • A study on Pleistocene mammal fossils from the Yai Ruak Cave (
Krabi Province,
Thailand), including the southernmost known record of
Crocuta crocuta ultima, is published by Suraprasit
et al. (2019), who evaluate the implications of these fossils for reconstructions of the environment in the area of the
Malay Peninsula in the Pleistocene. • A study on
Acheulean and Middle Stone Age sites from the
Eastern Desert (
Sudan), preserving stone artifacts, is published by Masojć
et al. (2019), who interpret these sites as evidence of green corridor or corridors across Sahara which made early hominin dispersal possible. • Evidence from oxygen isotope data from
Soreq Cave speleothems (
Israel), indicative of the occurrence of summer monsoon rainfall in the Middle East during recurrent intervals of the
last interglacial period (overlapping with archeological indicators of human migration), is presented by Orland
et al. (2019). • A study on the spatial and temporal distribution of ancient
peatlands in the past 130,000 years is published by Treat
et al. (2019). • A study on the size of fossil rabbits from 14 late Pleistocene and Holocene archaeological sites in
Portugal, and on its implications for the knowledge of temperatures and environment in the area of Portugal during the last glaciation, is published by Davis (2019). • A study on Pleistocene small mammal remains from Stratigraphic Unit V from El Salt site (
Alcoy, Spain), evaluating their implications for the knowledge of climatic conditions in the eastern
Iberian Peninsula at the time of the disappearance of local
Neanderthal populations during
Marine Isotope Stage 3, is published by Fagoaga
et al. (2019). • A study on the sedimentary sequence from the
Pilauco site in
Chile, evaluating whether evidence from this site is consistent with the
Younger Dryas impact hypothesis, is published by
Pino et al. (2019). • A study on variations of size of fossil
murine rodents from
Liang Bua (
Flores,
Indonesia) through time, and on their implications for reconstructions of paleoclimate and paleoenvironment of Flores, is published by Veatch
et al. (2019). • A study on human land use worldwide from 10,000 years before the present to 1850 CE, indicating that Earth was to a large extent transformed by human activity by 3000 years ago, is published by Stephens
et al. (2019). • Evidence for synchronous cyclical changes in monsoon climate, human activity and prehistoric cultural development in the area of northeast
China throughout the Holocene is presented by Xu
et al. (2019). • A study on Andean
plate tectonics since the late Mesozoic is published by Chen, Wu & Suppe (2019). • A study on the course of the
collision of India and Asia, as indicated by
palaeomagnetic data from the Burma Terrane, is published by Westerweel
et al. (2019). • A scenario for the genesis of tropical cyclones throughout the Cenozoic is presented by Yan
et al. (2019). • A study on the extent of ice sheets in the Northern Hemisphere throughout the Quaternary is published by Batchelor
et al. (2019). • A new method of concentration of proteins from fossil specimens with high humic content and of removal of humic substances is presented by Schroeter
et al. (2019). ==References==