Tag: Cambrian News | Page 7 | Science and Culture Today

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Author
Günter Bechly

Date
September 19, 2020

Categories
Evolution
Tagged
, Cambrian Explosion, Cambrian News, circulatory system, Cnidaria, Ediacaran fossils, evolution, feeding apparatus, feeding traces, fossils, Kimberella, Kimberella quadrata, Kimberella series, Kimberellomorpha, Kimberichnus, mollusks, movement, oxygenation, Paleobiology Database, Parvancorina, Precambrian, radula, scratch marks, Silurian Period, Solza}

Kimberella and Controversial Relationships — A Chronological Synopsis, Continued

_{Günter Bechly
September 19, 2020

Evolution

13}

One researchers has preferred to classify Kimberella among the Ediacaran "fossil problematica.” Read More ›

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post

Author
Günter Bechly

Date
September 18, 2020

Categories
Evolution
Tagged
, Bilateria, Cambrian Explosion, Cambrian News, Ediacaran organisms, fossil record, gonads, intelligent design, Kimberella, Kimberella series, limpets, Lophotrochozoa, medusoid, Mollusca, monoplacophorans, Odontogriphus, scratch marks, Simon Conway Morris, Solza, tentacles, Wiwaxia}

Kimberella and Controversial Relationships — A Chronological Synopsis

_{Günter Bechly
September 18, 2020

Evolution

12}

It is remarkable, indeed, how detailed a medusoid morphology was projected onto Kimberella fossils and later recognized as pure fantasy. Read More ›

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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 ›

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post

Author
Günter Bechly

Date
September 16, 2020

Categories
Evolution
Tagged
, Australia, Cambrian Explosion, Cambrian News, Ediacaran biota, Ediacaran organisms, feeding traces, fossils, Kimberella, Kimberella series, Kimberichnus, motility, mucus, scratch marks, sediments, White Sea}

Kimberella — Locomotory Tracks

_{Günter Bechly
September 16, 2020

Evolution

3}

But what about tracks of the moving animal? There are indeed some fossils from the White Sea. Read More ›

Kimberella quadrata with associated scratch marks

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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 ›

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post

Author
Günter Bechly

Date
September 12, 2020

Categories
Evolution
Tagged
, burial, Cambrian News, digestive system, Ediacaran organisms, evolution, feeding apparatus, foot, fossils, Kimberella, Kimberella series, mantle, Mikhail Fedonkin, mollusks, monoplacophorans, muscles, Ordovician Period, Parvancorina, proboscis, shells, teeth}

Reconstructing Kimberella — The Disputed Anatomy in Detail

_{Günter Bechly
September 12, 2020

Evolution

18}

Fossils often leave much room for very different interpretations of relatively poor evidence. Read More ›

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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 ›

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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 ›

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post

Author
Günter Bechly

Date
September 6, 2020

Categories
Ecology
Evolution
Tagged
, Cambrian Explosion, Cambrian News, Dickinsonia, ecosystem, Ediacaran biota, feeding traces, fossil record, jellyfish, Kimberella, Kimberella series}

Conflicting Views about Kimberella’s Ecology

_{Günter Bechly
September 6, 2020

Ecology, Evolution

2}

Based on the same fossil evidence, there is obviously much room for speculation and quite different opinions. Read More ›

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Author
Günter Bechly

Date
September 4, 2020

Categories
Evolution
Tagged
, Cambrian Explosion, Cambrian News, Dickinsonia, Ediacaran biota, Ediacaran Period, holotype, jellyfish, Kimberella, Kimberella quadrata, Kimberella series, Kimberellomorpha, Mark McMenamin, mollusks, Precambrian strata, Tribrachidium, White Sea, Zimnie Gory}

Kimberella — A Checkered History

_{Günter Bechly
September 4, 2020

Evolution

7}

John Kimber collected the first fossils of this organism and died tragically at age 38 during an expedition in South Australia in 1964. Read More ›