Results 111 to 120 of about 340 (144)

Ediacaran discs from South America: probable soft-bodied macrofossils unlock the paleogeography of the Clymene Ocean. [PDF]

Sci Rep, 2016
Arrouy MJ, Warren LV, Quaglio F, Poiré DG, Simões MG, Rosa MB, Peral LE.   +6 more
europepmc   +1 more source

Substrate growth dynamics and biomineralization of an Ediacaran encrusting poriferan. [PDF]

Proc Biol Sci, 2018
Wood R, Penny A.
europepmc   +1 more source

Sediment disturbance by Ediacaran bulldozers and the roots of the Cambrian explosion. [PDF]

Sci Rep, 2018
Buatois LA, Almond J, Mángano MG, Jensen S, Germs GJB.   +4 more
europepmc   +1 more source

Insights into the skeletonization, lifestyle, and affinity of the unusual Ediacaran fossil Corumbella. [PDF]

PLoS One, 2015
Pacheco ML, Galante D, Rodrigues F, Leme Jde M, Bidola P, Hagadorn W, Stockmar M, Herzen J, Rudnitzki ID, Pfeiffer F, Marques AC.   +10 more
europepmc   +1 more source

Extinction of Cloudina and Namacalathus at the Precambrian-Cambrian boundary in Oman

Geology, 2003
Biostratigraphic, carbon isotope, and U-Pb zircon geochronological data from the Ara Group of Oman indicate an abrupt last appearance of Cloudina and Namacalathus coincident with a large-magnitude, but short-lived negative excursion in the carbon isotope composition of seawater that is globally coincident with the Precambrian-Cambrian boundary.
Joachim E Amthor, John P Grotzinger, Stefan Schröder   +2 more
exaly   +6 more sources

Cloudina aggregates from the uppermost Dengying Formation, Three Gorges area, South China, and stratigraphical implications

Precambrian Research, 2022
Numerous issues remain concerning palaeobiology, palaeoecology, and biostratigraphy of Cloudina, an iconic tubular organism of the Ediacaran period. In this study, accumulations of Cloudina are described from the topmost bed of the Dengying Formation in the Baiguotang section of the eastern Three Gorges area, South China.
Can Chen, Qinglai Feng, Michael Steiner   +2 more
exaly   +5 more sources

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Skeletogenesis and asexual reproduction in the earliest biomineralizing animal Cloudina

Geology, 2005
The tubular fossil Cloudina is emerging as an important Ediacaran index fossil. How- ever, its morphology, skeletogenesis, reproduction, and phylogenetic affinity have not been fully resolved. New material from the Dengying Formation of south China confirms that Cloudina tubes consist of eccentrically and sometimes deeply nested funnels and that the ...
Hong Hua, Xunlai Yuan, Shuhai Xiao
exaly   +2 more sources

ACloudina-like fossil with evidence of asexual reproduction from the lowest Cambrian, South China

Geological Magazine, 2017
AbstractThe earliest fossil record of animal biomineralization occurs in the latest Ediacaran Period (c. 550 Ma).CloudinaandSinotubulitesare two important tubular taxa among these earliest skeletal fossils. The evolutionary fate ofCloudina-type fossils across the Ediacaran–Cambrian transition, however, remains poorly understood.
JIAN HAN, YAOPING CAI, JAMES D. SCHIFFBAUER, HONG HUA, XING WANG, XIAOGUANG YANG, KENTARO UESUGI, TSUYOSHI KOMIYA, JIE SUN   +8 more
openaire   +2 more sources

A new species of Cloudina from the terminal Ediacaran of Spain

Precambrian Research, 2010
Abstract The terminal Ediacaran genus Cloudina includes some of the earliest biomineralized fossils. It consists of a tube formed by stacked funnel-shaped elements, and is usually interpreted as the external skeleton of an early metazoan. Although a number of species have been described within this genus, their distinctiveness remains unclear and ...
Mónica Marti Mus, Soren Jensen, Teodoro Palacios   +2 more
exaly   +3 more sources