Annals of the South African MuseumThe Museum, 1982 - Natural history |
From inside the book
Results 1-3 of 52
Page 43
... pygidium of B. notica figured by Clarke ( 1913 , pl . 2 ( figs 11-12 ) ) shows the same deep first ring furrow . Burmeisteria accraensis seems to differ from B. notica only in its slightly shorter ( sag . ) preglabellar field and ...
... pygidium of B. notica figured by Clarke ( 1913 , pl . 2 ( figs 11-12 ) ) shows the same deep first ring furrow . Burmeisteria accraensis seems to differ from B. notica only in its slightly shorter ( sag . ) preglabellar field and ...
Page 88
... Pygidium . The pygidium is almost semicircular in outline , distinctly wider than the sagittal length , and moderately convex . The axis is broad anteriorly and tapers rather rapidly to the posterior for the anterior 5 rings ...
... Pygidium . The pygidium is almost semicircular in outline , distinctly wider than the sagittal length , and moderately convex . The axis is broad anteriorly and tapers rather rapidly to the posterior for the anterior 5 rings ...
Page 155
... Pygidium . The pygidium of PEM - 1200B is poorly preserved . It is rela- tively rather large , trigonal , and produced posteriorly into a short , mucronate spine . The strongly convex axis comprises about 10 rings , while the pleural ...
... Pygidium . The pygidium of PEM - 1200B is poorly preserved . It is rela- tively rather large , trigonal , and produced posteriorly into a short , mucronate spine . The strongly convex axis comprises about 10 rings , while the pleural ...
Other editions - View all
Common terms and phrases
2p furrows absent absent Acropyga Albian Anoplolepis apodemal pits artefact category axial furrows axial rings Bainella blades BNK 1 layer BNK 1 sample Bokkeveld border furrows Burial Burmeisteria Calmonia Cape Town cent cephalon convex Dalmanites deposits distal dorsal Douvilleiceras Elands Bay Cave Eldredge & Braniša excavated fauna Figure fixing apparatus flakes foramen Francovichia frequencies Gamonedaspis genera genus glabella H. J. Deacon holotype Homalonotus indicated internal moulds Kelders Kozlowskiaspis Lake layer 12 layer 9 length lower layers margin Metacryphaeus monachines Monachus Nelson Bay Nelson Bay Cave occipital Oosthuizenella Oxytropidoceras Patella Pennaia Phacopina Phacops phocids pleural posterior border preserved as internal proximal pygidium quartz quartzite Raphicerus Reed Renniella retouched artefact ribs Robberg sagittal segments shell silcrete Smithfield South African Museum species specimen spines suckers suggests suture synapomorphy thorax trilobites tubercles Typhloniscus upper layers utilization ventral width Wilton Wolfart