Tag: Ediacaran biota | Page 2 | Science and Culture Today

^{Type
post

Author
Günter Bechly

Date
March 24, 2021

Categories
Evolution
Tagged
, animals, Cambrian Period, cladistics, Darwinian evolution, Ediacaran biota, Evans et al. (2021), fossil record, phylogenetic systematics, Precambrian House of Cards Series, sea floor, Tribrachidium, Tribrachidium heraldicum, Trilobozoa}

The Enigmatic Tribrachidium and Trilobozoa

_{Günter Bechly
March 24, 2021

Evolution

3}

Trilobozoans are unique to the Ediacaran biota; they appeared suddenly 560 million-years-ago in the fossil record without any precursors. Read More ›

^{Type
post

Author
Günter Bechly

Date
December 31, 2020

Categories
Evolution
Tagged
, Avalon explosion, Big Bangs, Bilateria, Cambrian Explosion, Cambrian News, Charnia, Cnidaria, comb jellies, Dickinsonia, Ediacaran biota, Ediacaran organisms, evolution, explosions, fossil record, intelligent design, Kimberella, Lophotrochozoa, macro-organisms, metazoan animals, precambrian fossils, Richard Dawkins, saltations, stem mollusk, Yilingia spiciformis}

#2 Story of 2020: Kimberella Is No Solution to the Cambrian Conundrum

_{Günter Bechly
December 31, 2020

Evolution

25}

None of the Cambrian animal phyla is represented in the Ediacaran fossil record. Read More ›

^{Type
post

Author
Günter Bechly

Date
September 21, 2020

Categories
Evolution
Intelligent Design
Tagged
, Avalon explosion, Big Bangs, Bilateria, Cambrian Explosion, Cambrian News, Charnia, Cnidaria, comb jellies, Dickinsonia, Ediacaran biota, Ediacaran organisms, evolution, explosions, fossil record, intelligent design, Kimberella, Kimberella series, Lophotrochozoa, macro-organisms, metazoan animals, precambrian fossils, Richard Dawkins, saltations, stem mollusk, Yilingia spiciformis}

Kimberella Is No Solution to the Cambrian Conundrum

_{Günter Bechly
September 21, 2020

Evolution, Intelligent Design

24}

The fossil record speaks clearly and cries out loud: the history of life on Earth is a history of saltations. Read More ›

^{Type
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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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 11, 2020

Categories
Evolution
Tagged
, comb jelly, Ediacaran biota, fossils, gonads, jellyfish, Kimberella, Kimberella series, limpets, mantle, medusoid, molluscan radula, pharynx, proboscis, stylets, teeth, White Sea}

Kimberella — Four Phases of Interpretation

_{Günter Bechly
September 11, 2020

Evolution

6}

In the quite checkered history of the detailed reconstruction of Kimberella, we can distinguish four distinct successive phases. Read More ›

^{Type
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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post

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 ›

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post

Author
Günter Bechly

Date
September 3, 2020

Categories
Evolution
Tagged
, animal phyla, Bilateria, Cambrian Explosion, Cambrian News, Darwin's Doubt, Ediacaran biota, Ediacaran Period, Eumetazoa, evidence, evolution, evolutionary biology, intelligent design, jellyfish, Kimberella, Kimberella series, Lophotrochozoa, Metazoa, molecular clock, mollusks, Nephrozoa, Protostomia}

Was Kimberella a Precambrian Mollusk?

_{Günter Bechly
September 3, 2020

Evolution

3}

If identified as an animal, it would “predate the Cambrian explosion of bilaterian animal phyla as a kind of ‘advance guard.’” Read More ›

^{Type
post

Author
Günter Bechly

Date
July 10, 2020

Categories
Evolution
Tagged
, algae, bilateral symmetry, brachiopods, Bryozoa, Cambrian Explosion, Ediacaran biota, Ediacaran Small Shelly Fauna, lophophorates, Middle Cambrian, Namacalathus, Namacalathus hermanastes, Paleobiology Database, phoronids, protists, sponges, Utah}

Namacalathus, Alleged Ediacaran “Animal,” Fails to Refute Abrupt Cambrian Explosion

_{Günter Bechly
July 10, 2020

Evolution

13}

It could be anything, from a coelenterate-grade or sponge-grade organism to even a protist or an alga. Read More ›