The circumscription of the order and its families was not changed, and its placement remained the same in subsequent classifications including Chase and Reveal (2009), Christenhusz et al. (2011), and Christenhusz and Chase (2014). The find of an exceptionally well preserved Jurassic fossil intermediate between genus "Osmunda" (as shown above) and "Osmundastrum" lead to a re-analysis of Metzgar et al.'s data, which revealed that the Osmundaceae root used above may be wrong and a tree-branching artefact (all other ferns are genetically very distant from the Osmundaceae), and allowing the following classification: