One of the few features that are uncontroversial is the body size: The fossils measure usually 1-5 cm in length.
The fossilization of Kimberella specimens was most likely based on rapid burial with sand during storm events.
Based on the same fossil evidence, there is obviously much room for speculation and quite different opinions.
John Kimber collected the first fossils of this organism and died tragically at age 38 during an expedition in South Australia in 1964.
If identified as an animal, it would “predate the Cambrian explosion of bilaterian animal phyla as a kind of ‘advance guard.’”