<i>Sinocallipus thai</i>:head and anteriormost pleurotergites (photo: G. Brovad).
G. Brovad (Natural History Museum of Denmark)
CC BY 3.0
Pavel Stoev, Henrik Enghoff, 2011. A review of the millipede genus <i>Sinocallipus</i> Zhang, 1993 (Diplopoda, Callipodida, Sinocallipodidae), with notes on gonopods monotony vs. peripheral diversity in millipedes.  Zookeys 90: 13–34, <a href="//doi.org/10.3897/zookeys.90.1291" class="extiw" title="doi:10.3897/zookeys.90.1291">doi:10.3897/zookeys.90.1291</a>