This is a rotating CT reconstruction of the mayfly and phoretic springtail, including a close-up ‘region of interest’ scan.
Credit: Penney D, McNeil A, Green DI, Bradley RS, Jepson JE, et al. (2012) Ancient Ephemeroptera–Collembola Symbiosis Fossilized in Amber Predicts Contemporary Phoretic Associations. PLoS ONE 7(10): e47651. doi:10.1371/journal.pone.0047651