Mikhaljova, E.V. 2019.

Identities of the millipede genera Skleroprotopus Attems, 1901 and Ansiulus Takakuwa, 1940 (Diplopoda: Julida: Mongoliulidae), with emphasis on the postembryonic development of Skleroprotopus coreanus (Pocock, 1895)

. Zootaxa. 4551, 5 (Feb. 2019), 501–529. DOI:https://doi.org/10.11646/zootaxa.4551.5.1.