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Gunter Bechly: Dickinsonia is NOT likely an animal

Rather, he thinks, it is an unknown type of life form, which belonged to “an alien clade,” not certainly related to later life forms. Readers will recall that fats (sterols) were recently recovered from a 558 million-year-old fossil entity, Dickinsonia, which was previously uncertainly classified but is now classified as an animal as a result. Bechly writes, Although we know many well-preserved specimens of Dickinsonia, its affinities in the supposed tree of life have remained extremely controversial for more than 70 years since its description (Shu et al. 2014, Budd & Jensen 2015). This resulted in its wandering across nearly every kingdom and many phyla of life. In 1992 seven authorities among paleontologists were asked by evolutionary biologist Rudolf Raff Read More ›