For an explanation of the authorship as Ranzani see Petersen (2000), also Muir & Petersen (2013), also see editor ... [details]
Petersen (2000:327) regarded the spelling "major" in text flow in Chamberlin (1919:405) as an error for the "maior" ... [details]
Early nomenclatural history of the type is not straighforward. For instance Petersen (2000:318) maintained Otto ... [details]