Tag: protists
Fossil Friday: An Ediacaran Animal with a Question Mark
To claim that such undefinable blobs in sandstone represent fossils of the oldest motile animals is massively overselling the evidence to say the least.
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.
Fossil Friday: Update on the Dubious Nature of the Precambrian Gabonionta
What we definitely do not find here is any credible evidence for an evolutionary transition to genuine multicellular eukaryotes.
A Question on New Genes and Animal Origins
A correspondent wrote to us with an interesting question about evolution that arose in a discussion he had with a biologist.
Walking Cells and Other Surprises Among Protists — An Evolutionary Challenge
That many show no clear phylogenetic connection with other microbes, and may contain unique morphological structures, poses a severe challenge to Darwinism.