thumb|left|Archaeaspinus, a representative of phylum Proarticulata which also includes Dickinsonia, Karakhtia and numerous other organisms. They are members of the Ediacaran biota.
thumb|left|Archaeaspinus a representative of phylum Proarticulata which also includes Dickinsonia, Karakhtia and numerous other organisms. They are members ,of the Ediacaran biota.