To explain away the Cambrian explosion has been and remains a high priority for Darwinists.
Last but not least, there is this gem: In 1986 strange mushroom-shaped deep-sea animals were collected offshore South Australia.
The new evidence is very ambiguous and totally inconclusive. No far-reaching conclusions should be drawn from such dubious material.
Ikaria wariootia is just another problematic Ediacaran fossil that could be anything from inorganic artifact to protozoan to cnidarian and yes, maybe a bilaterian worm.
So, do high levels of cholesterol biomarkers really suggest an animal affinity of Dickinsonia?