Fragments of the earliest land plants [PDF]
, 2003 The earliest fossil evidence for land plants comes from microscopic dispersed spores. These microfossils are abundant and widely distributed in sediments, and the earliest generally accepted reports are from rocks of mid-Ordovician age (Llanvirn, 475 ...
CH Wellman +25 more
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Extent and duration of marine anoxia during the Frasnian– Famennian (Late Devonian) mass extinction in Poland, Germany, Austria and France [PDF]
, 2004 – The intensity and extent of anoxia during the two Kellwasser anoxic events has been investigated in a range of European localities using amultidisciplinary approach (pyrite framboid assay, gamma-ray spectrometry and sediment fabric analysis).
Bond, D.P.G., Racki, G., Wignall, P.B.
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Estado da Arte nos Quitinozoários: Designação da Ordem, Afinidades Biológicas, Paleoambiente e Breve Histórico no Âmbito das Bacias do Amazonas e do Paraná [PDF]
Anuário do Instituto de Geociências, 2005 Interpretados sob diversas óticas variando conforme o pensamento científico dos pesquisadores, os quitinozoários constituem um grupo enigmático tanto no que diz respeito ao seu significado como as suas afinidades biológicas.
Hilda Leonor Coevas de Azevedo-Soares +1 more
doaj
Palynological age constraint of Les Vilelles unit, Catalan Coastal Chain, Spain [PDF]
, 2017 The Les Vilelles unit is a detrital sequence exposes at the southwestern margin of the Catalonian Coastal Range, NE Spain, below the Carboniferous turbiditic series.
González, F. +3 more
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Disarticulated remains of an Ordovician metazoan from the Cedarberg Formation, South Africa: a re-interpretation of Eohostimella parva Kovacs [PDF]
, 1992 Small pointed axes previously described as a non-vascular Palaeozoic plant, Eohostimella parva Kovacs 1986, are assigned to Siphonacis parva (Kovacs) Chesselet 1990 n. comb.
Chesselet, Pascale
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Miospore assemblages from Late Ordovician (Katian-Hirnantian), Ghelli Formation, Alborz Mountain Range North-eastern Iran: Palaeophytogeographic and palaeoclimatic implications [PDF]
Journal of Sciences, Islamic Republic of Iran, 2016 Well-preserved miospore assemblages are recorded from the Late Ordovician (Katian-Hirnantian), Ghelli Formation in Pelmis-gorge at the north-eastern Alborz Mountain The palynomorphs were extracted from siliciclastic deposits which are well-dated by using
M. Ghavidel-syooki
doaj
The Dawangou auxiliary GSSP (Xinjiang autonomous region, China) of the base of the Upper Ordovician Series: putting global chitinozoan biostratigraphy to the test [PDF]
, 2010 Jan A.I. Hennissen +4 more
openalex +1 more source
An emerging paradigm for the origin and evolution of shelled amoebae, integrating advances from molecular phylogenetics, morphology and paleontology. [PDF]
Mem Inst Oswaldo Cruz, 2021 Lahr DJ.
europepmc +1 more source
New insights on the Hirnantian palynostratigraphy of the rio Ceira section, Buçaco, Portugal [PDF]
, 2014 The Lower Palaeozoic successions of Portugal are well represented in the Central Iberian Zone (Cll), one of the main tectonostratigraphic domains of the Iberian Massif.
Fernandes, Paulo +5 more
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Dados palinoestratigráficos preliminares do Gorstiano, Silúrico, da Formação de Sazes, Sinclinal do Buçaco = Preliminary palynostratigraphic data from the Gorstian, Silurian, Sazes Formation, Buçaco Syncline [PDF]
, 2010 Novos dados bioestratigráficos foram obtidos na sucessão estratigráfica do Paleozóico Inferior da região do Buçaco. A Formação de Sazes (Silúrico) está a ser estudada ao nível palinológico (miosporos e quitinozoários) e de macrofósseis (graptólitos ...
Fernandes, Paulo +5 more
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