Tag: chordates

^{Type
post

Author
Casey Luskin

Date
April 20, 2026

Categories
Evolution
Paleontology
Tagged
, ambulacrarians, ancestors, bilaterians, Cambrian Explosion, Cambrian News, cambroernids, Charnia, China, chordates, cladogram, cnidarians, crinoid, ctenophores, Current Biology, Ediacaran strata, fossils, Haootia, holdfast, Jiangchuan Biota, kelp, mackenziid, Margaretia dorus, Precambrian, Profera, Science (journal), Scientific American, The Conversation, vermiform, worms}

Science Paper Overstates Case for “Diverse Assemblage of Bilaterians” in the Ediacaran

_{Casey Luskin
April 20, 2026

Evolution, Paleontology

14}

I suspect the bilaterian nature of this “most numerous” fossil will be challenged as more studies come out. Read More ›

^{Type
post

Author
David Coppedge

Date
February 9, 2026

Categories
Evolution
Intelligent Design
Paleontology
Tagged
, Anomalocaris, arthropods, body plans, British Columbia, Burgess Shale, Burgess Shale Type, Cambrian Explosion, Canada, Chengjiang, Chinese Academy of Sciences, chordates, cnidarians, comb jellies, complex body plans, ctenophores, Darwin's Doubt, fossils, gills, guts, Han Zeng, Huayuan, Huayuan County, Huayuan site, James Woodford, jellyfish, Lagerstätte, lobopodians, magical thinking, Marble Canyon, molluscs, mutation/selection mechanism, Nature (journal), nerves, New Scientist, oxygen molecules, oxygen theory, poriferans, priapulids, Sinsk Event, soft tissues, transitional forms, worms}

Get to Know the Name: Huayuan Is a Major New Cambrian Fossil Site Found in China

_{David Coppedge
February 9, 2026

Evolution, Intelligent Design, Paleontology

9}

Another Cambrian fossil site that rivals the original Burgess Shale has been announced to the world. Read More ›

^{Type
post

Author
Günter Bechly

Date
November 24, 2023

Categories
Evolution
Paleontology
Tagged
, bilaterians, body plans, Bryozoa, Cambrian animals, Cambrian Explosion, chordates, evolution, evolutionary biology, Fossil Friday (series), fossil record, great Ordovician biodiversification event, green algae, invertebrates, Lower Cambrian, metazoans, molecular clock studies, Nevada, Ohio, paleontology, South China, tentacles}

Fossil Friday: Cambrian Bryozoa Come and Go

_{Günter Bechly
November 24, 2023

Evolution, Paleontology

10}

This is a field that often has more in common with the interpretation of inkblots in Rorschach tests than with hard science. Read More ›

^{Type
post

Author
Paul Nelson

Date
February 21, 2023

Categories
Biology
Evolution
Intelligent Design
Philosophy
Tagged
, acorn worms, anus, Biological Reviews, chordates, echinoderms, embryology, evolution, gills, Harvard University, mouth, phylogeny, sea urchins, Smithsonian Institution, University of Oklahoma, worms}

A Remarkably Candid Statement About an Unsolved Evolutionary Puzzle

_{Paul Nelson
February 21, 2023

Biology, Evolution, Intelligent Design, Philosophy

3}

According to current systematic theory, everyone reading this right now belongs to the taxonomic category Deuterostomia. Read More ›

^{Type
post

Author
Günter Bechly

Date
September 16, 2022

Categories
Anatomy
Paleontology
Science
Tagged
, chordates, Darwinism, Devonian Period, echinoderms, Fossil Friday (series), fossil record, Germany, Henry Gee, homology, Museum of Natural History, Nature (journal), paleontology, Paleozoic, tunicates, vertebrates}

Fossil Friday: Rhenocystis and the Controversial Calcichordate Hypothesis

_{Günter Bechly
September 16, 2022

Anatomy, Paleontology, Science

11}

It looks a bit like a tadpole with body and tail, and this indeed points towards one of the great scientific controversies of the 20th century. Read More ›

^{Type
post

Author
Günter Bechly

Date
September 2, 2022

Categories
Biology
Paleontology
Science
Tagged
, animal phyla, Anomalocaris, body plans, Burgess Shale, Cambrian Explosion, Carboniferous Period, cephalopods, chordates, evolution, Fossil Friday (series), fossil record, Lophotrochozoa, Macquarie University, new york, paleontology, Simon Conway Morris, squid, stem group}

Fossil Friday: Nectocaris, the Impossible Squid

_{Günter Bechly
September 2, 2022

Biology, Paleontology, Science

11}

Paleontology sometimes seems like a kind of imaginative Rorschach test with the flattened fauna of roadkill. Read More ›

^{Type
post

Author
Günter Bechly

Date
September 12, 2018

Categories
Evolution
Intelligent Design
Tagged
, __k-review, annelids, arthropods, bird feathers, birds, Cambrian Explosion, Cambrian News, cancer theory, causation, Charles Marshall, chordates, clades, compound eyes, correlation, Günter Bechly, insects, mammals, mollusks, Neo-Darwinism, oxygen theory, Richard Dawkins, slime theory, Stephen Meyer, tetrapods, The Greatest Show on Earth, theistic evolution, University of Bristol}

Ignoring Other Research, New Study Explains (Away) the Origin of New Body Plans

_{Günter Bechly
September 12, 2018

Evolution, Intelligent Design

7}

Recently, a team of British paleontologists added a new pseudo-explanation. Read More ›