Tag: bilateral symmetry

^{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
Casey Luskin

Date
December 23, 2021

Categories
Evolution
Paleontology
Tagged
, Allison C. Daley, arthropods, bilateral symmetry, Cambrian Explosion, Cambrian News, Darwin's Doubt, Ediacaran Period, evolution, fossil record, Günter Bechly, intelligent design, Mark McMenamin, Marten Scheffer, neo-Darwinian mechanisms, Princeton University Press, Science Uprising, Simon Conway Morris, Spriggina, Stephen Meyer}

Was Spriggina an Evolutionary Ancestor of Arthropods?

_{Casey Luskin
December 23, 2021

Evolution, Paleontology

8}

For those wedded to an evolutionary interpretation of life’s history, the fossil and genetic evidence leave the origin of arthropods a major mystery. Read More ›

^{Type
post

Author
Günter Bechly

Date
January 19, 2021

Categories
Evolution
Intelligent Design
Tagged
, bilateral symmetry, brachiopods, brood chambers, bryozoans, calyx, Cambrian Explosion, Cambrian News, Chengjiang fossils, cnidarians, ctenophorans, Ediacaran animals, entoprocts, folds, homology, lobes, Lophotrochozoa, lophotrochozoans, lumens, moss animals, Namacalathus, Second Namacalathus Series}

Namacalathus Revisited — Not Much to See

_{Günter Bechly
January 19, 2021

Evolution, Intelligent Design

11}

The new evidence is very ambiguous and totally inconclusive. No far-reaching conclusions should be drawn from such dubious material. Read More ›

^{Type
post

Author
Casey Luskin

Date
October 21, 2020

Categories
Evolution
Intelligent Design
Tagged
, arthropods, bilateral symmetry, bilaterians, body plans, Cambrian animals, Cambrian Explosion, Cambrian News, Darwin's Doubt, eLife, evolution, Evolution News, evolutionary biology, fossil record, genes, genetic information, Günter Bechly, intelligent design, Nature Communications, oxygenation, paleontology, Precambrian, Stephen Meyer}

Scientific Paper Reaffirms New Genes Required for Cambrian Explosion

_{Casey Luskin
October 21, 2020

Evolution, Intelligent Design

4}

The notion that many genes would be required for the Cambrian explosion may seem unsurprising — what is surprising is that anyone would challenge the idea. 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 ›

^{Type
post

Author
Günter Bechly

Date
December 27, 2018

Categories
Botany
Evolution
Intelligent Design
Tagged
, __k-review, anus, bacteria, bilateral symmetry, Cambrian Explosion, Cambrian News, cnidarians, ctenophores, Darwinian evolution, decomposition, Dickinsonia, dickinsoniids, Ediacaran biota, Epibaion, Facebook, fossils, fungi, glide symmetry, GUT, Ilya Bobrovskiy, Jochen Brocks, Mary Droser, Metazoa, morphology, mouth, paleontology, placozoans, protists, South Australia, sponges, Stanford University, University of California, Vendobionta}

#6 of Our Top Stories of 2018: Dickinsonia Probably Not an Ediacaran Animal

_{Günter Bechly
December 27, 2018

Botany, Evolution, Intelligent Design

42}

So, do high levels of cholesterol biomarkers really suggest an animal affinity of Dickinsonia? Read More ›

^{Type
post

Author
Günter Bechly

Date
September 27, 2018

Categories
Botany
Evolution
Tagged
, __k-review, anus, bacteria, bilateral symmetry, Cambrian Explosion, Cambrian News, cnidarians, ctenophores, Darwinian evolution, decomposition, Dickinsonia, dickinsoniids, Ediacaran biota, Epibaion, Facebook, fossils, fungi, glide symmetry, GUT, Ilya Bobrovskiy, Jochen Brocks, Mary Droser, Metazoa, morphology, mouth, paleontology, placozoans, protists, South Australia, sponges, Stanford University, University of California, Vendobionta}

Why Dickinsonia Was Most Probably Not an Ediacaran Animal

_{Günter Bechly
September 27, 2018

Botany, Evolution

41}

So, do high levels of cholesterol biomarkers really suggest an animal affinity of Dickinsonia? Read More ›