Fig 4. Reconstruction of an aggregation of P. communis.
Leaves constituting the litter are of Eretmophyllum (Ginkgoales), a common plant macroremain as cuticles in the Spanish amber-bearing strata. Body color of the collembolans is conjectural but based on the coloration seen in the close extant relatives (artist J. A. Peñas, with scientific supervision).