Grebennikov, Vasily V., and Andrew B.T. Smith. 2021. “A New Hypothesis on the Evolution of the Hybosorid Beetle Capacity to Conglobate Their Bodies into a Tight Ball (Coleoptera: Scarabaeoidea)”. Fragmenta Entomologica 53 (2):299-310. https://doi.org/10.13133/2284-4880/570.