original description
Verhoeff, K. W. (1900). Beiträge zur Kenntniss paläarktischer Myriopoden. XIII. Aufsatz: Zur vergleichenden Morphologie, Phylogenie, Gruppen- und Art-Systematik der Ascospermophora. Archiv für Naturgeschichte, 66(1): 347-402. Berlin, available online at https://www.biodiversitylibrary.org/page/14103386
page(s): 394-396 [details]
additional source
Manfredi, P. (1951). I Miriapodi italiani, VII. contributo - Miriapodi della Romagna (collezione Zangheri). Atti della Società italiana di scienze naturali, e del Museo civile di storia naturale, 90: 13-33. Milano
page(s): 17 [details]
From editor or global species database
Editor's comment The version with two "i" (attemsii) was used in the original description and cited by Manfredi (1951) [details]