Results 141 to 150 of about 848 (154)

Cloudina lucianoi (Beurlen & Sommer, 1957), Tamengo Formation, Ediacaran, Brazil: Taxonomy, analysis of stratigraphic distribution and biostratigraphy

Precambrian Research, 2017
Abstract The genus Cloudina Germs, 1972 includes seven species restricted to Ediacaran strata: 1. Cloudina lucianoi (Beurlen and Sommer, 1957) (Tamengo Formation, Brazil); 2. Cloudina hartmanae Germs, 1972 (Nama Group, Namibia); 3. Cloudina riemkeae Germs, 1972 (Nama Group, Namibia; 4.
Rodrigo R. Adorno, Dermeval A. do Carmo, Gerard Germs, Detlef H.G. Walde, Matheus Denezine, Paulo C. Boggiani, Simone C. Sousa e Silva, Juliana R. Vasconcelos, Thaís C. Tobias, Edi M. Guimarães, Lucieth C. Vieira, Milene F. Figueiredo, Renato Moraes, Silane A. Caminha, Paulo A.Z. Suarez, Christian V. Rodrigues, Guilherme M. Caixeta, David Pinho, Gabi Schneider, Ralph Muyamba   +19 more
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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
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A Reconsideration of the Relationship between the Terminal Ediacaran Conotubus and Cloudina in southern Shaanxi: New Evidence from Geometric Morphometrical Analysis

2023
The late Ediacaran witnessed rapid turnover of organisms. As one of the earliest biomineralizing animal fossils，Cloudina has greatimplication on the evolution of complex macroscopic organisms . With a relatively stable and wide distribution, Cloudina has become one of the most important indicator fossils of the late Ediacaran. Located in the
Jinzhou Luo, Hong Hua, Qiaokun Dai
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Spygoria zappanianew genus and species, aCloudina-like biohermal metazoan from the Lower Cambrian of central Nevada

Journal of Paleontology, 1999
A new enigmatic Lower Cambrian fossil,Spygoria zappania,is described From theNevadellazone (Botoman) of Lander County, central Nevada. In gross morphology,Spygoriafossils consist of stacks of small (5–10 mm in diameter) irregular calcified cups that are preserved in vertical, concave-up life orientation.
Marc Salak, Halard L. Lescinsky
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Shell structure and distribution of Cloudina, a potential index fossil for the terminal Proterozoic.

American journal of science, 1996
Cloudina-bearing biosparites and biomicrites in the lower part of the Nama Group, Namibia, contain a wide morphological diversity of shell fragments that can all be attributed to the two named species C. hartmannae and C. riemkeae. The curved to sinuous tubular shells of Cloudina were multi-layered.
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A Cloudina-like fossil with evidence of asexual reproduction from the lowest Cambrian, South China

Geological Magazine, 2017
Jian Han, Yaoping Cai, J. Schiffbauer, H. Hua, Xing Wang, Xiaoguang Yang, K. Uesugi, T. Komiya, Jie Sun   +8 more
semanticscholar   +1 more source

Cloudina lucianoi (Beurlen & Sommer, 1957), Tamengo Formation, Ediacaran, Brazil: Taxonomy, analysis of stratigraphic distribution and biostratigraphy

, 2017
R. Adôrno, D. D. Carmo, G. Germs, D. Walde, M. Denezine, P. Boggiani, Simone Carolina Sousa e Silva, Juliana R. Vasconcelos, T. C. Tobias, E. Guimarães, L. C. Vieira, M. Figueiredo, R. Moraes, S. Caminha, P. Suarez, C. V. Rodrigues, Guilherme M. Caixeta, D. Pinho, G. Schneider, Ralph Muyamba   +19 more
semanticscholar   +1 more source

TAXONOMIC REMARKS AND STRATIGRAPHIC IMPLICATIONS OF CLOUDINA SPECIES IN NEOPROTEROZOIC STRATA

2018
Adorno, Rodrigo Rodrigues, Dermeval Aparecido Do Carmo, Matheus Denezine, Walde, Detlef, Guimarães, Edi M., Lucieth Cruz Vieira   +5 more
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IMPLICAÇÕES ESTRATIGRÁFICAS DAS OCORRÊNCIAS DE ESPÉCIES DO GÊNERO CLOUDINA NO BRASIL

2015
Adorno, Rodrigo Rodrigues, Dermeval Aparecido Do Carmo, Matheus Denezine, Walde, Detlef W.G., Guimarães, Edi M., Lucieth Cruz Vieira, Boggiani, Paulo C.   +6 more
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Three-dimensional Cloudina specimens extraction from limestone of the Nama Group, Namibia

2016
Adorno, Rodrigo Rodrigues, Dermeval Aparecido Do Carmo, Matheus Denezine, Rodrigues, Christian V.   +3 more
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