Annals of the South African MuseumThe Museum, 1985 - Natural history |
From inside the book
Results 1-3 of 22
Page 48
... sexine . The exine is relatively thick with sexine and nexine about the same height . Markedly robust columellae support a perfect reticulum . Columellae are only placed beneath wide areas of the tectum formed at the junction of ...
... sexine . The exine is relatively thick with sexine and nexine about the same height . Markedly robust columellae support a perfect reticulum . Columellae are only placed beneath wide areas of the tectum formed at the junction of ...
Page 61
... sexine to form a post - atrium ( sensu Kremp 1965 , fig . 380 ) ; the state of preservation affects the visibility of this feature . Short radiating costae pori are present . Sexine reticulate . The reticulate pattern is irregular ...
... sexine to form a post - atrium ( sensu Kremp 1965 , fig . 380 ) ; the state of preservation affects the visibility of this feature . Short radiating costae pori are present . Sexine reticulate . The reticulate pattern is irregular ...
Page 72
... sexine and nexine are clearly differentiated and the prominent sexine is columellate , tectate and finely reticulate . The sexine thins abruptly in the vicinity of the colpi and then bends upwards to edge the colpi with distinct lips ...
... sexine and nexine are clearly differentiated and the prominent sexine is columellate , tectate and finely reticulate . The sexine thins abruptly in the vicinity of the colpi and then bends upwards to edge the colpi with distinct lips ...
Other editions - View all
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