Gehling (2006) noted that there is 'no evidence that Praecambridium is a juvenile Dickinsonia, Spriggina or Marywadea and he pointed out the fact that all of the juvenile forms of these genera are only found in South Australia and do not share common characteristics with any Praecambridium fossil specimens.
Gehling (2006) stated that there is no conclusive evidence to link Praecambridium to Dickinsonia, Spriggina, or Marywadea as juvenile forms. He also noted that the juvenile forms of these genera are only found in South Australia and do not exhibit similar characteristics with any Praecambridium fossils.