Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 230
... tubercles appear to be most prominent , and appear as low , rounded bosses , covering one to three ribs . The bosses probably indicate the former presence of long spines , with a basal septum . The lateral tubercles are smaller and more ...
... tubercles appear to be most prominent , and appear as low , rounded bosses , covering one to three ribs . The bosses probably indicate the former presence of long spines , with a basal septum . The lateral tubercles are smaller and more ...
Page 296
... tubercles is greater than that between the latter and the ventral tubercles . The shape of tubercles is variable , the ventral ones are usually round and bullate , whereas the lateral and umbilical ones are elongated in the direction of ...
... tubercles is greater than that between the latter and the ventral tubercles . The shape of tubercles is variable , the ventral ones are usually round and bullate , whereas the lateral and umbilical ones are elongated in the direction of ...
Page 341
... tubercles , separated by one to three intermediaries . Lateral tubercles situated on the ventral third of the flanks are developed only on one side , due to injury . Ventral tubercles are variably developed on the inter- mediaries ...
... tubercles , separated by one to three intermediaries . Lateral tubercles situated on the ventral third of the flanks are developed only on one side , due to injury . Ventral tubercles are variably developed on the inter- mediaries ...
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Common terms and phrases
abbreviations adcauline adnate Albian Allman Ammonites Ammonoidea Amphipoda Ancyloceras Adouliceras ancyloceratid aperture Aptian Aptian III-IV Australiceras author's name authors Barremian bicuspidata BMNH body chamber cala Campanian Cape Town capensis Casey Cenomanian coiling Collignon constrictions Cretaceous Crioceras crozier described Description distal dorsal dorsum Eoxenopoides reuningi fauna figures flanks fossil Gastropoda genus gonothecae Haughton Helicancyloceras Nonyaniceras Hoepen holotype hydrocladia hydrothecae inner whorls internode Kerguelen Kossmat lateral Lectotype length lobe locality 168 locality 170 Lower Aptian Maastrichtian Madagascar material metres Millard Mozambique mozambiquense nematothecae occur ornament paratypes Pedicel phragmocone pipids Pseudophyllites referred ribs rounded Saghalinites Santonian scientific name segment separated Sertularella seta shaft shoulder Sinzow South African Museum southern Spath species specimen spines Stechow stem subheadings subsimbirskense SUID-AFRIKAANSE MUSEUM suture line Symplectoscyphus Synonymy Tetragonites text-fig Tonohamites Totton Toxoceratoides Tropaeum tubercles umbilical Umzamba Upper Aptian venter ventral Vervoort Wb/Wh whorl section Wiedmann Xenopus Zululand