Enigmatic structures, possibly armored scale insect (Diaspididae) cover impressions (DT86) on Agathis zamunerae from Río Pichileufú A depressions where ventral covers were positioned (USNM 545223) B detail of lower depression in (A) C rim where ventral cover was positioned (USNM 545223) D pits where scale insects were possibly positioned (USNM 545226) E pit where scale insect was possibly located (USNM 545226) F pit surrounded by reaction tissue where scale insect was possibly positioned (USNM 545226) G Pit where scale insect was possibly located (USNM 545226).