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great Ordovician biodiversification event

Whole_chitinozoan_cropped
Photo credit: en:User:Verisimilus, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons.

Fossil Friday: Chitinozoa — Enigmatic Microfossils from the Paleozoic Era

We may now add the mysterious Chitinozoa to this ever-growing list of products of the burst of biological creativity in the Early Cambrian. Read More ›
Wanneria_sp.,_Early_Cambrian,_Eager_Formation,_Cranbrook,_BC,_Canada_-_Houston_Museum_of_Natural_Science_-_DSC01398
Photo credit: Daderot, CC0, via Wikimedia Commons.

Fossil Friday: Discontinuities in the Fossil Record — A Problem for Neo-Darwinism

The fossil record generally documents a discontinuous history of life with sudden appearances of new body plans and new forms of life in saltational events. Read More ›
Branching_archaeocyath
Photo credit: Killamator, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

Fossil Friday: Update on Cambrian Bryozoans

The authors emphasize that “the origin of the bryozoans remains a mystery” but explicitly confirm the reality of the Cambrian Explosion. Read More ›
Cambrian Bryozoa
Photo: Fossil bryozoan, Carboniferous of Ohio, James St. John via Wikimedia, CC BY 2.0 DEED.

Fossil Friday: Cambrian Bryozoa Come and Go

This is a field that often has more in common with the interpretation of inkblots in Rorschach tests than with hard science. Read More ›
Opabinia regalis
Photo: Fossil of Opabinia regalis, a Cambrian animal, by Jstuby at English Wikipedia, Public domain, via Wikimedia Commons.

Untangling “Professor Dave’s” Confusion about the Cambrian Explosion

We have seen the absurdly low quality of this individual’s video. But there is much more. I have added timecodes in square brackets for easier reference. Read More ›
Kimberella_quadrata 2

Bechly: The “Explosive” Pattern in the Fossil Record, and What It Means

Unlike the more traditional evolutionary view, ID hasn’t assumed the shape of a living fossil from an antique age. Read More ›
Upper Ordovician

Bechly: In the Fossil Record, “Abrupt Appearances Are the Rule”

The notable German paleontologist discusses a fact that, frankly, doesn’t get anywhere near the attention it should. Read More ›

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