Text-fig. 9. Scanning electron microscope (SEM) images of inaperturate Araucariacites sp. pollen from two fragmentary pollen sacs; Torres Vedras locality, Portugal. a) Fragmentary pollen sac; b) Granular inner surface of pollen sac (a); c) Orbicule showing finely striate surface; d) Group of pollen grains from pollen sac in (a) showing granular exine surface and numerous orbicules; note that the scale bar (12 Μm) is two times larger than that used for most other pollen grains illustrated in this paper (6 Μm). Specimens, TV44-S148025 (a, b, d), TV44-S148146 (c). Scale bars 150 Μm (a), 12 Μm (d), 3 Μm (b, c). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community

Text-fig. 9. Scanning electron microscope (SEM) images of inaperturate Araucariacites sp. pollen from two fragmentary pollen sacs; Torres Vedras locality, Portugal. a) Fragmentary pollen sac; b) Granular inner surface of pollen sac (a); c) Orbicule showing finely striate surface; d) Group of pollen grains from pollen sac in (a) showing granular exine surface and numerous orbicules; note that the scale bar (12 Μm) is two times larger than that used for most other pollen grains illustrated in this paper (6 Μm). Specimens, TV44-S148025 (a, b, d), TV44-S148146 (c). Scale bars 150 Μm (a), 12 Μm (d), 3 Μm (b, c).