Recent proposed phylogeny of Anomura based on DNA analysis by Tsang et al. (2011). This phylogeny suggests that aside from Hipppoidea, all other anomurans evolved from a symmetrical hermit crab body form. Further, the traditional grouping of all hermit crabs into superfamily Paguroidea no longer holds. Both Pylochelidae and Diogenidae were concluded to be paraphyletic by Tsang et al. (2011), though this diagram does not show sufficient detail to illustrate the latter. Storm Martin 2012, with reference to Tsang et al. 2011.