Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 25
... stems . On most stems the two rows of hydrothecae are in the same plane , but in other stems , or even in other parts of the same stem , they may be shifted on to the anterior surface so that the two rows subtend an obtuse angle between ...
... stems . On most stems the two rows of hydrothecae are in the same plane , but in other stems , or even in other parts of the same stem , they may be shifted on to the anterior surface so that the two rows subtend an obtuse angle between ...
Page 112
... Stem strongly fascicled , giving rise to alternate hydrothecae and roughly alternate or subalternate branches from an axial tube . Branches similar to stem , fascicled almost to the end . The two rows of branches and hydrothecae in one ...
... Stem strongly fascicled , giving rise to alternate hydrothecae and roughly alternate or subalternate branches from an axial tube . Branches similar to stem , fascicled almost to the end . The two rows of branches and hydrothecae in one ...
Page 117
... stems often reattaching to one another and to the polyzoan and producing a tangled irregular growth one or two centimetres in height . Stem unfascicled or lightly fascicled , unbranched or branching irregularly and in any plane ...
... stems often reattaching to one another and to the polyzoan and producing a tangled irregular growth one or two centimetres in height . Stem unfascicled or lightly fascicled , unbranched or branching irregularly and in any plane ...
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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