The notarium meanwhile appears to have been more similar to the basal Juncitarsus than to other phoenicopterids. Agnolin proposes that M. peiranoi may have been one of the more basal species of Megapaloelodus.
Based on the analysis, the notarium appears to be more closely related to the basal Juncitarsus than other phoenicopterids. Agnolin proposes that M. peiranoi might represent a primitive species within the genus Megapaloelodus.