Tag: bilaterian animals

^{Type
post

Author
Günter Bechly

Date
December 13, 2024

Categories
Evolution
Paleontology
Tagged
, acorn worms, algorithms, ancestor, anus, bilaterian animals, computer analysis, deuterostome, Early Cambrian, echinoderms, Fossil Friday (series), Guardian, New York Times, ResearchGate, synapomorphies, synapomorphy, The Guardian, University of Bristol, University of Cambridge}

Fossil Friday: Say Hello to Our Microscopic Granddaddy?

_{Günter Bechly
December 13, 2024

Evolution, Paleontology

9}

What we do know is that it is definitely not our earliest ancestor. Another overhyped missing link bites the dust. Read More ›

^{Type
post

Author
Günter Bechly

Date
December 6, 2024

Categories
Evolution
Paleontology
Tagged
, algae, bilaterian animals, Cambrian fossils, cnidarians, Current Biology, Cyanobacteria, Ediacaran biota, falsification, Fossil Friday (series), fossils, Kimberella, molecular clock studies, motility, nematode, New Scientist, Precambrian, Professor Dave, roundworms, UC Riverside}

Fossil Friday: Are Ediacaran “Fishing Hooks” a Breakthrough Discovery of Precambrian Animals?

_{Günter Bechly
December 6, 2024

Evolution, Paleontology

12}

Let’s have a look at the newest edition of the Precambrian animal guessing game. Read More ›

^{Type
post

Author
Günter Bechly

Date
September 22, 2023

Categories
Evolution
Paleontology
Tagged
, abrupt appearance, bilaterian animals, Burgess Shale, Cambrian Explosion, Cnidaria, crown group, ctenophores, evolution, Fossil Friday (series), fossil record, history of life, jellyfish, life cycle, Lower Cambrian, neo-Darwinian model, polyp, precambrian fossils, South China, sponges, tentacles, umbrella, Utah}

Fossil Friday: Jellyfish Body Plan and Life Cycle Originated in the Cambrian Explosion

_{Günter Bechly
September 22, 2023

Evolution, Paleontology

3}

Remarkably, these animals can be placed within the crown group of the living cnidarian clade Medusozoa, which is not exactly what Darwinists should expect. 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 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

Author
Günter Bechly

Date
January 17, 2020

Categories
Evolution
Tagged
, __edited, bilaterian animals, bilaterian worms, Cambrian Explosion, Cambrian News, Cambrian Small Shelly Fauna, Chengjiang biota, China, Cloudina, cloudinids, cloudinomorphs, cnidarian, Conotubus, Costatubus, Darwinian evolution, Dickinsonia, digestive tract, Ediacaran biota, Ediacaran Period, Ediacaran Small Shelly Fauna, Ediacaran-Cambrian boundary, Germany, GUT, James D. Schiffbauer, Nature Communications, Nevada, polyp, Saarina, skeleton, University of Missouri, Wood Canyon Formation}

Did Cloudinids Have the Guts to Be Worms?

_{Günter Bechly
January 17, 2020

Evolution

16}

I promised last year to follow up on more alleged Ediacaran animals. Now is a good moment to come back to this, with a new study having just been published in the journal Nature Communications. Read More ›

^{Type
post

Date
July 2, 2018

Categories
Evolution
Tagged
, __k-review, Anomalocaris, Barack Obama, BBC News, bilaterian animals, Burgess Shale, Cambrian Explosion, Cambrian News, Casey Luskin, China, Darwin's Doubt, Death Valley, Debating Darwin's Doubt, Ediacaran era, evolutionists, Live Science, mollusks, Panarthropoda, Science Advances, seafloor, sponges, Stephen Meyer, UC Riverside, wind}

Trackways Reported in Ediacaran Strata

_{Science and Culture
July 2, 2018

Evolution

10}

Small putative trackways in Siberian rocks are giving evolutionists an opportunity to claim bilaterian animals preceded the Cambrian explosion. Read More ›