Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 57
... sides are seen to con- verge ventrally from their contact with the frontoparietals , and form a broad wedge - shaped bone ... side of ventral view . Squamosal outlines and anterior extent of columella somewhat conjectural ( see text ) ...
... sides are seen to con- verge ventrally from their contact with the frontoparietals , and form a broad wedge - shaped bone ... side of ventral view . Squamosal outlines and anterior extent of columella somewhat conjectural ( see text ) ...
Page 138
... side of the interradius compared with 2 in the holotype , though Madsen found up to 4 and Cherbonnier and Nataf up to 5 in their specimens from West Africa . Family Benthopectinidae Cheiraster triplacanthus Fisher Cheiraster ...
... side of the interradius compared with 2 in the holotype , though Madsen found up to 4 and Cherbonnier and Nataf up to 5 in their specimens from West Africa . Family Benthopectinidae Cheiraster triplacanthus Fisher Cheiraster ...
Page 145
... side of each petal . All the ocular pores on the apical system , except for the posterior one , are enlarged to the ... side , by the much shorter petals , E. elegans having eight or nine pore pairs each side at this size , and by the ...
... side of each petal . All the ocular pores on the apical system , except for the posterior one , are enlarged to the ... side , by the much shorter petals , E. elegans having eight or nine pore pairs each side at this size , and by the ...
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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