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.
Resurrecting Namacalathus as an Ediacaran Animal
The new fossils stem from a layer in the Nama Group of Namibia, just below an ash bed that could be radiometrically dated to 547.32 ± 0.65 million years.
Namacalathus, an Ediacaran Lophophorate Animal?
I have been writing a series of articles on alleged Ediacaran animals that have been postulated as precursors of the Cambrian explosion.
Worming Evolution into the Cambrian Explosion
A new fossil worm from the closing days of the Ediacaran is being celebrated as a missing link that demonstrates a gradual Cambrian diversification, not an explosion.