Jirkov (2001) gives the authority as "Pergament & Chlebovich in Chlebovich", correctly following an explanation in ... [details]
Joint species authorship in a single author work is explained in a p.176 footnote in Khlebovich ["Diagnosis of the ... [details]
In-text authorship for the new species and genus is given as Pergament & Chlebovitsch, using an alternate ... [details]