A short note was published by Schwabe et al. about the finding of Corona regalis (Hupé, 1857) in Central Peru.
The material contained both dextral and sinistral specimens, and confirmed the eniantomorphism occurring in this species (recently the genetic locus was located in a Lymnaea species).
Schwabe, E. et al., 2019. First record from ACP Panguana: The pulmonate genus Corona Albers, 1850. – Spixiana, 41 (1): 8.