Plate 7

Scanning electron microscope pictures of radiolarians from the Bermeja Complex, western Puerto Rico. Marker = 100 μm. Sample PR-SB26 (latest Barremian–late Aptian) Figs. 1, 2 Archaeodictyomitra spp. Fig. 3 Thanarla sp. Fig. 4 Parvicingula sp. Fig. 5 Pseudoeucyrtis corpulentus Dumitrica. Fig. 6 Obesacapsula sp. Fig. 7 Pseudoeucyrtis hanni (Tan). Fig. 8 Obeliscoites cf. vinassai (Squinabol). Fig. 9 Nassellaria gen. et sp. indet. Fig. 10 Napora sp. Fig. 11 Nassellaria gen. et sp. indet. Fig. 12 Acaeniotyle cf. umbilicata (Rüst). Fig. 13 Emiluvia sp. Fig. 14 Acanthocircus sp. Fig. 15 Crucella sp. Fig. 16 Pantanelliidae gen. et sp. indet. Fig. 17 Crucella sp. (with five rays). Fig. 18 Praeconocaryomma sp.