Enigmatic structures, possibly armored scale insect (Diaspididae) covers (DT86) on Agathis zamunerae branches (A–D) and leaves (E–K) from Laguna del Hunco A impressions of covers (MPEF-Pb 6307) B two covers on a branch in (A) C detail of cover with concentric growth rings in (A) D detail of cover with concentric growth rings in (A) E depression where ventral cover was positioned (MPEF-Pb 6349) F depression where cover was probably located (MPEF-Pb 6360) G possible scale insect covers (MPEF-Pb 6383) H detail of cover in (G) I cover in (H) under epifluorescence showing concentric growth rings J detail of cover in (G) K cover in (J) under epifluorescence showing concentric growth rings.