original description
Koch, C. L. (1847). Den Verzeichnissen und Berichtigungen zu Deutschlands Crustaceen, Myriapoden und Arachniden und ein System der Myriapoden. <i>In</i>: Panzer, G.W.F. & Herrich-Schäffer, A. (eds.). <em>Kritische Revision der Insectenfaune Deutschlands.</em> 3: 1-272, pls. 1-10., available online at http://biodiversitylibrary.org/page/33700094
page(s): 117 [details]
original description
(of Ypsiloniulus Verhoeff, 1899) Verhoeff, K. W. (1899). Beiträge zur Kenntniss paläarktischer Myriopoden. IX. Aufsatz: Zur Systematik, Phylogenie und vergleichenden Morphologie der Juliden und über einige andere Diplopoden. Archiv für Naturgeschichte, 65(1): 183-220. Berlin, available online at https://www.biodiversitylibrary.org/page/15115004
page(s): 213 [details]
taxonomy source
Hoffman, R. L. (1980). Classification of the Diplopoda. 1-237. Genève.
page(s): 110; note: lists Prosthekiulus as a 'subegnus or synonym of Allajulus [details]
additional source
Kime, R. D.; Enghoff, H. (2017). Atlas of European millipedes 2: Order Julida (Class Diplopoda). <em>European Journal of Taxonomy.</em> 346: 1–299., available online at https://doi.org/10.5852/ejt.2017.346
page(s): 40 [details]
From editor or global species database
Nomenclature Certain species, formerly called Cylindroiulus are now placed in this genus. However, Cylindroiulus is retained for others including Cylindroiulus latestriatus. [details]