Annals of the South African MuseumThe Museum, 1985 - Natural history |
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Page 45
... exine is relatively thick and the sexine and nexine layers are clearly differentiated . The sexine is psilate to indeterminately sculptured and appears finely columellate . Dimensions of illustrated specimen 38 × 26 μ , exine 1-2 μ ...
... exine is relatively thick and the sexine and nexine layers are clearly differentiated . The sexine is psilate to indeterminately sculptured and appears finely columellate . Dimensions of illustrated specimen 38 × 26 μ , exine 1-2 μ ...
Page 50
... exine is thick , tectate and psilate , and a finely punctate perinous membrane envelops the grain . This layer sometimes closely adheres to the surface of the grain and at other times separates from the exine . Few specimens were ...
... exine is thick , tectate and psilate , and a finely punctate perinous membrane envelops the grain . This layer sometimes closely adheres to the surface of the grain and at other times separates from the exine . Few specimens were ...
Page 57
... exine is subpsilate to faintly rugose and undulate . In some grains it appears that the exine may thicken slightly towards the mesocolpia in the equatorial region . Equatorial diameter 20-24 μ , diameter of pore opening approximately 2 ...
... exine is subpsilate to faintly rugose and undulate . In some grains it appears that the exine may thicken slightly towards the mesocolpia in the equatorial region . Equatorial diameter 20-24 μ , diameter of pore opening approximately 2 ...
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Common terms and phrases
Aeolidiella Affinity The affinity aperture Araucariacites Arecipites Australia Baeolidia Berghia bicuspidata Cape Province Cape Town Clavatipollenites sp climate Collignon colpi colpus common at Arnot Coniacian Cookson coracoid Couper deposit described Description Discussion distal end Distribution Duinefontein early Pliocene Equatorial diameter ERSITY exine exine is relatively extant flora Formation forms fossil genera genus geol gland grain Haughton holotype humerus Kangnasaurus kimberlite Knysna laesurae Langebaanweg late Cretaceous Maastrichtian margins Milfordia Milnerton Monocolpopollenites morphology Namibia Neogene nexine Oceanites Olson Pachyptila Palaeocene palynology paratypes pipes Pliocene Podocarpidites pollen pore Port Elizabeth present Procellariiformes Proteacidites proximal Puffinus rare at Arnot region Restionaceae rhinophores ribs sacci salax Saldanha SAN DIEGO sculpturing sediments sexine South African Museum south-western Cape southern Africa Spath species specimen spores Stover & Partridge SUID-AFRIKAANSE MUSEUM tarsometatarsus taxa Tertiary Tricolpites sp Tricolporopollenites Triorites tropical ulna umbilical bullae Velddrif venter ventral whorl width Zonalapollenites Zululand