Shear, W. A. ., Marek, P. E. ., Bond, J. E. ., & Wesener, T. . (2022).

The millipede family Striariidae Bollman, 1893. VII. Petra sierwaldae, n. gen., n. sp., a minute millipede from Idaho, USA (Diplopoda, Chordeumatida, Striariidae)

. Zootaxa, 5213(3), 287–293. https://doi.org/10.11646/zootaxa.5213.3.6