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Taxonomy
Proetus macrocephalus was named by Hall (1861). It is the type species of Monodechenella.
It was recombined as Dechenella macrocephala by Richter and Richter (1926); it was recombined as Dechenella (Monodechenella) macrocephala by Stumm (1953); it was recombined as Dechenella macrocephalus by Mayer (1989); it was recombined as Monodechenella macrocephala by Lieberman (1994), Jell and Adrain (2002); it was recombined as Monodechenella macrocephalus by Bonelli et al. (2006).
It was recombined as Dechenella macrocephala by Richter and Richter (1926); it was recombined as Dechenella (Monodechenella) macrocephala by Stumm (1953); it was recombined as Dechenella macrocephalus by Mayer (1989); it was recombined as Monodechenella macrocephala by Lieberman (1994), Jell and Adrain (2002); it was recombined as Monodechenella macrocephalus by Bonelli et al. (2006).