Considered by Fraser (1957) to be a member of the Macrodiplactidae, the genus Macrodiplax is a member of a monophyletic clade (Ware et al., 2007) within Libellulidae.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith