Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 158
... umbilical shoulder . The umbilicus is deep , and of moderate size , 28-32 per cent of diameter in the middle growth stages , but becoming proportionally smaller - 25 per cent of diameter or less - in larger specimens . The umbilical ...
... umbilical shoulder . The umbilicus is deep , and of moderate size , 28-32 per cent of diameter in the middle growth stages , but becoming proportionally smaller - 25 per cent of diameter or less - in larger specimens . The umbilical ...
Page 166
... umbilical seam , pass straight up the umbilical wall , sweep forwards across the umbilical shoulder and are markedly prorsiradiate and slightly concave across the flanks ; they flex distinctly backwards over the ventro - lateral ...
... umbilical seam , pass straight up the umbilical wall , sweep forwards across the umbilical shoulder and are markedly prorsiradiate and slightly concave across the flanks ; they flex distinctly backwards over the ventro - lateral ...
Page 261
... umbilical diameter of the Zululand specimen is intermediate between that of Sinzow's two figured specimens . In the lack of a sudden change of ornament on the body chamber , the present species is similar to the Australian Tropaeum ...
... umbilical diameter of the Zululand specimen is intermediate between that of Sinzow's two figured specimens . In the lack of a sudden change of ornament on the body chamber , the present species is similar to the Australian Tropaeum ...
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Common terms and phrases
abbreviations adcauline adnate Africa Albian Allman Ammonites Ammonoidea Amphipoda Ancyloceras Adouliceras aperture Aptian Aptian III-IV Australiceras author's name authors Berkeley bicuspidata BMNH body chamber CALIFORNIA LIBRARY Campanian Cape Town capensis Casey coiling Collignon constrictions Cretaceous Crioceras crozier described Description diameter distal dorsal dorsum Eoxenopoides reuningi fauna female figures flanks fossil genus Geol gonothecae Haughton Hoepen holotype hydrocladia hydroids hydrothecae inner whorls internode Kerguelen KLINGER lateral Lectotype length lobe locality 168 Lower Aptian Maastrichtian Madagascar margin material metres Millard Mozambique neglectus nematothecae occur ornament paratypes pedicel phragmocone pipids Pseudophyllites referred ribs rounded Saghalinites Santonian scientific name segment separated Sertularella seta shaft Sinzow South African Museum southern Spath species specimen spines Stechow stem subsimbirskense SUID-AFRIKAANSE MUSEUM Symplectoscyphus Synonymy Tetragonites text-fig Therocephalia Tonohamites Totton Toxoceratoides Tropaeum tubercles umbilical Umzamba UNIVERSITY OF CALIFORNIA Upper Aptian venter ventral Vervoort whorl section Wiedmann Xenopus Zool Zululand