(Ivesheadia,(Fractofusus,(Bradgatia,(Beothukis,(Charnia_antecedens,(Charnia_wardi,(Charniodiscus,Charnia_masoni))))))); (Ivesheadia,(Bradgatia,(Fractofusus,(Beothukis,(Charnia_antecedens,(Charnia_wardi,(Charniodiscus,Charnia_masoni)))))));