Tag: trace fossils

^{Type
post

Author
David Coppedge

Date
January 31, 2025

Categories
Evolution
Paleontology
Tagged
, ancestors, animals, biological information, Cambrian Explosion, Cambrian radiation, Current Biology, Darwin-skeptics, Darwin's Doubt, evolution, evolutionary biologists, evolutionists, fossils, genetic information, Günter Bechly, molecular clock, oxygen, oxygen theory, oxygenation, Philip C. J. Donoghue, Richard Sternberg, Science Advances, Smithsonian Institution, Stephen Meyer, trace fossils, University of Bristol, University of Edinburgh}

Dodging the Main Issue in the Cambrian Explosion

_{David Coppedge
January 31, 2025

Evolution, Paleontology

9}

In three papers, scientists babble about irrelevant details but ignore the main question: the origin of new genetic information for new body plans and organs. Read More ›

^{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
July 29, 2022

Categories
Evolution
Paleontology
Tagged
, animals, bilateral symmetry, Cambrian Explosion, Cambrian News, Canada, Dickinsonia, Ediacaran organisms, Ediacaran Period, Evolution News, Fossil Friday (series), Gregory Retallack, lichens, Mistaken Point, paleontologists, trace fossils}

Fossil Friday: Dickinsonia, the Ediacaran Animal that Wasn’t

_{Günter Bechly
July 29, 2022

Evolution, Paleontology

5}

Gregory Retallack is a kind of maverick paleontologist, who endorses a fringe hypothesis that Ediacaran organisms were not marine but terrestrial lichens. Read More ›

^{Type
post

Author
Günter Bechly

Date
May 3, 2022

Categories
Biology
Botany
Evolution
Life Sciences
Tagged
, Arthur Hunt, Basilosaurus, bilaterian animals, central nervous system, cichlid fish, compound eyes, Darwinists, dog breeds, Dunning-Kruger effect, Ediacaran organisms, evolution, Evolution News, exoskeleton, fact check, fossil record, Hawaiian Silverswords, honeycreepers, Joe Felsenstein, John Harshman, Lake Malawi, molecular clock, no true Scotsman, otters, Pakicetus, Panda's Thumb, Peaceful Science, phenotypic plasticity, Puck Mendelssohn, Rusophycus, species pair challenge, trace fossils, University of Kentucky, Young Earth Creationists}

Fact Check: Hawaiian Silverswords Fail the Species Pair Challenge

_{Günter Bechly
May 3, 2022

Biology, Botany, Evolution, Life Sciences

20}

Even though the differences appear superficially striking, they do not involve any novel body plans (i.e., no new proteins, new tissues, or new organs). 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
September 7, 2020

Categories
Evolution
Paleontology
Tagged
, animals, bilaterians, Burgess Shale, Cambrian Explosion, Cambrian News, Chengjiang, Ediacaran Period, feeding traces, fossil record, Kimberella, Kimberella series, limpets, Maotianshan Shales, motility, Precambrian strata, taphonomy, trace fossils}

Kimberella — Conflicting Evidence from Taphonomy

_{Günter Bechly
September 7, 2020

Evolution, Paleontology

3}

The fossilization of Kimberella specimens was most likely based on rapid burial with sand during storm events. Read More ›