W. A.  Shear, Marek, P. E., Bond, J. E., und Wesener, T., ?The millipede family Striariidae Bollman, 1893. VII. Petra sierwaldae, n. gen., n. sp., a minute millipede from Idaho, USA (Diplopoda, Chordeumatida, Striariidae)?, Zootaxa, Bd. 5213, Nr. 3, S. 287-293, 2022.