Tag: microbial mats

^{Type
post

Author
Günter Bechly

Date
November 8, 2024

Categories
Evolution
Paleontology
Tagged
, animals, dickinsoniids, Ediacaran biota, Epibaion, flatworms, Fossil Friday (series), jello, microbial mats, muscles, nervous system, Precambrian, protists, South Australia, trace fossils, Tribrachidium}

Fossil Friday: An Ediacaran Animal with a Question Mark

_{Günter Bechly
November 8, 2024

Evolution, Paleontology

8}

To claim that such undefinable blobs in sandstone represent fossils of the oldest motile animals is massively overselling the evidence to say the least. Read More ›

^{Type
post

Author
Günter Bechly

Date
February 16, 2024

Categories
Evolution
Paleontology
Tagged
, algae, Avalon explosion, Cambrian phyla, Darwinian evolution, Dickinsonia, Ediacaran fossils, evidence for evolution, fact check, falsified theories, Fossil Friday (series), India, junk science, microbial mats, Precambrian, radiometric dating, Spriggina, Tribrachidium, Yale University}

Fossil Friday: The Vindhyan Controversy and Debunking Alleged Ediacaran and Cambrian Fossils

_{Günter Bechly
February 16, 2024

Evolution, Paleontology

23}

The fancy speculations about the evolution of multicellular life and early animals turned out to be just smoke and mirrors. Read More ›

^{Type
post

Author
Günter Bechly

Date
September 17, 2020

Categories
Evolution
Tagged
, Cambrian Explosion, Cambrian News, cows, Dickinsonia, Germany, Kimberella, Kimberella series, Kimberichnus teruzzii, microbial mats, Middle Triassic, Mikhail Fedonkin, mollusks, mouthparts, Odontogriphus, protozoans, radula, scratch marks, trace fossils, Wiwaxia}

Kimberella — The Oldest Radula (Not)

_{Günter Bechly
September 17, 2020

Evolution

4}

There is a strange fact that shows that any interpretation of these trace fossils has to be taken with a grain of salt. Read More ›

Ventral death-mask of Kimberella quadrata

^{Type
post

Author
Günter Bechly

Date
September 15, 2020

Categories
Evolution
Tagged
, Ediacaran fossils, Ediacaran organisms, feeding apparatus, fossils, grazing, Kimberella, Kimberella series, Kimberichnus, microbial mats, Mikhail Fedonkin, molluscan radula, morphology, proboscis, scratch marks, trace fossils, White Sea}

Kimberella — Traces and a Trace-maker

_{Günter Bechly
September 15, 2020

Evolution

8}

The body fossils are generally positioned at the focal points of the fan-shaped scratch marks. Read More ›

Kimberella quadrata with associated scratch marks

^{Type
post

Author
Günter Bechly

Date
September 14, 2020

Categories
Evolution
Tagged
, Adolf Seilacher, Cambrian Explosion, Cambrian News, Ediacaran biota, Ediacaran organisms, feeding apparatus, grazing, Kimberella, Kimberella series, Kimberichnus, Kimberichnus teruzzii, locomotion, microbial mats, Russia, South Australia, teeth, trace fossils, Tübingen University, White Sea}

Kimberella — Controversial Scratch Marks

_{Günter Bechly
September 14, 2020

Evolution

5}

A former teacher of mine was the late Adolf Seilacher, who was a leading authority on trace fossils and who for obvious reasons preferred to be called "Dolf." Read More ›

^{Type
post

Author
Günter Bechly

Date
September 10, 2020

Categories
Evolution
Tagged
, bilaterian animals, body size, Cambrian Explosion, Cambrian News, Ediacaran organisms, fossil record, interpretation, Kimberella, Kimberella series, Metamorphosis, microbial mats, motility, Precambrian, sexual dimorphism, tissues, trace fossils}

Kimberella — Interpreting the Fossils

_{Günter Bechly
September 10, 2020

Evolution

2}

One of the few features that are uncontroversial is the body size: The fossils measure usually 1-5 cm in length. Read More ›

^{Type
post

Author
Günter Bechly

Date
March 26, 2020

Categories
Evolution
Tagged
, __k-review, annelids, arthropods, bilaterian animals, burrowing, Cambrian Explosion, Cambrian News, China, cnidarians, Deuterostomia, Ediacaran animals, Germany, Helminthoidichnites, microbial mats, Nephrozoa, PNAS, Proceedings of the National Academy of Sciences, Protostomia, Scyphozoa, South Australia, UC Riverside, University of California, Yilingia spiciformis}

Ancestor of All Animals in 555-Million-Year-Old Ediacaran Sediments?

_{Günter Bechly
March 26, 2020

Evolution

10}

Ikaria wariootia is just another problematic Ediacaran fossil that could be anything from inorganic artifact to protozoan to cnidarian and yes, maybe a bilaterian worm. Read More ›

^{Type
post

Date
February 2, 2018

Categories
Evolution
Tagged
, __k-review, Abderrazak El Albani, Astrobiology Magazine, Cambrian Explosion, Cambrian News, Charles Darwin, Dickinsonia, Ediacaran era, Gabon, Mary Droser, microbial mats, NASA, On the Origin of Species, oxygen theory, Philip Donoghue, Spriggina, U.C. Berkeley, U.C. Riverside, University of Bristol, University of California, University of Poitiers, West Africa}

Cambrian Explosion Blues

_{Science and Culture
February 2, 2018

Evolution

6}

Here’s a sampling of the latest speculations about the Cambrian explosion. Read More ›

^{Type
post

Author
Ann Gauger

Date
October 23, 2017

Categories
Evolution
Genetics
Intelligent Design
Origin of Life
Tagged
, __k-review, adaptation, cell membrane, cells, Christianity, chromosome, cognition, cytoskeleton, Darwinism, DNA, evolution, homeostasis, intelligent design, J. Scott Turner, Jonathan Wells, microbial mats, microtubule organizing centers, mitosis, physiology, Purpose and Desire: What Makes Something "Alive" and Why Modern Darwinism Has Failed to Explain It, teleology, termite mounds}

Biologist Scott Turner’s Purpose and Desire, In His Own Words

_{Ann Gauger
October 23, 2017

Evolution, Genetics, Intelligent Design, Origin of Life

11}

If Turner is right, the clockwork, mechanistic, DNA-centric model may have met its match. Read More ›