Ediacaran biota
...that the enigmatic Ediacaran biota have been classified into every major group of lifeforms, including their own kingdom?
...that the enigmatic <b id="mwCL0"><a href="./Ediacaran_biota" id="mwCL4" rel="mw:WikiLink" title="Ediacaran biota">Ediacaran biota</a></b> <i id="mwCL8">(fossil pictured)</i> have been classified into every major <a href="./Phylum" id="mwCMA" rel="mw:WikiLink" title="Phylum">group</a> of lifeforms, including their own <a href="./Kingdom_(biology)" id="mwCME" rel="mw:WikiLink" title="Kingdom (biology)">kingdom</a>?