The authorship, year and citation given in Nomenclator Zoologicus for this genus (Rebel & Zerny 1917, Denkschr. Akad. Wiss. Wien, 93, 443.) are incorrect since according to Nye and Fletcher, 1991, quoted in Pitkin & Jenkins, the paper by Rebel & Zerny was issued as a separate with its own pagination and date prior to its publication in 1917.