Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 256
... body chamber may be distinctly uncoiled , giving rise to ancyloceratid or to aspinoceratid forms . Ornament on phragmocone consists of plain ribbing with occasional umbilical or ventral tubercles in early or late stages . On the body ...
... body chamber may be distinctly uncoiled , giving rise to ancyloceratid or to aspinoceratid forms . Ornament on phragmocone consists of plain ribbing with occasional umbilical or ventral tubercles in early or late stages . On the body ...
Page 261
... body chamber , and is hence referred to the Russian species in open nomenclature . The umbilical diameter of the Zululand specimen is intermediate between that of Sinzow's two figured specimens . In the lack of a sudden change of ...
... body chamber , and is hence referred to the Russian species in open nomenclature . The umbilical diameter of the Zululand specimen is intermediate between that of Sinzow's two figured specimens . In the lack of a sudden change of ...
Page 268
... body chamber . On the body chamber of the holotype , of which half a whorl is preserved , twenty - six ribs occur per half whorl . Ribbing on the body chamber is broad and low , with very faint traces of tuberculation on the last few ...
... body chamber . On the body chamber of the holotype , of which half a whorl is preserved , twenty - six ribs occur per half whorl . Ribbing on the body chamber is broad and low , with very faint traces of tuberculation on the last few ...
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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