Tag: bilateral symmetry
Namacalathus Revisited — Not Much to See
The new evidence is very ambiguous and totally inconclusive. No far-reaching conclusions should be drawn from such dubious material.
Scientific Paper Reaffirms New Genes Required for Cambrian Explosion
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.
Namacalathus, Alleged Ediacaran “Animal,” Fails to Refute Abrupt Cambrian Explosion
It could be anything, from a coelenterate-grade or sponge-grade organism to even a protist or an alga.
#6 of Our Top Stories of 2018: Dickinsonia Probably Not an Ediacaran Animal
So, do high levels of cholesterol biomarkers really suggest an animal affinity of Dickinsonia?
Why Dickinsonia Was Most Probably Not an Ediacaran Animal
So, do high levels of cholesterol biomarkers really suggest an animal affinity of Dickinsonia?