Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 254
... whorl section is subtrigonal , with a broadly rounded dorsum and little - inflated flanks converging to a narrower , rounded venter . At the distal end the whorl section is virtually equidimensional , and octagonal . Ornament at the ...
... whorl section is subtrigonal , with a broadly rounded dorsum and little - inflated flanks converging to a narrower , rounded venter . At the distal end the whorl section is virtually equidimensional , and octagonal . Ornament at the ...
Page 261
... whorl section is subtriangular with a flat to concave dorsum , a sharp umbilical edge , very little - inflated flanks and a narrow venter . Apart from the fact that the whorl height increases more rapidly than the whorl breadth , the whorl ...
... whorl section is subtriangular with a flat to concave dorsum , a sharp umbilical edge , very little - inflated flanks and a narrow venter . Apart from the fact that the whorl height increases more rapidly than the whorl breadth , the whorl ...
Page 295
... whorl tuberculation disappears rather suddenly , and ornament consists of ... section and a dorsal zone of impression . Australiceras argus Anderson ... whorl section on the outer whorl . Australiceras lampros ( Etheridge Jun . ) has a ...
... whorl tuberculation disappears rather suddenly , and ornament consists of ... section and a dorsal zone of impression . Australiceras argus Anderson ... whorl section on the outer whorl . Australiceras lampros ( Etheridge Jun . ) has a ...
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Common terms and phrases
abbreviations adcauline adnate Africa Albian Allman Ammonites Ammonoidea Amphipoda Ancyloceras Adouliceras aperture Aptian Australiceras author's name authors bicuspidata BMNH body chamber cala Cape Town Casey Cenomanian coiling Collignon constrictions Cretaceous Crioceras crozier described Description distal dorsal dorsum Eoxenopoides reuningi fauna figures flanks fossil frogs Gastropoda genus geol gonothecae H. L. Clark Haughton Helicancyloceras Hoepen holotype hydrocladia hydroids hydrothecae indra internode italics Kerguelen Kossmat Late Santonian lateral Lectotype length lobe locality Lower Aptian Maastrichtian material metres Millard Mozambique nematothecae occur ornament paratypes Pedicel phragmocone pipids Pondoland Pseudophyllites references ribs rounded Saghalinites Santonian Santonian to early scientific name segments separated Sertularella shaft shoulder Sinzow South African Museum southern Spath species specimens spines Stechow stem subheadings subtimotheanus SUID-AFRIKAANSE MUSEUM suture Symplectoscyphus Synonymy Tetragonites text-fig Tonohamites Totton Toxoceratoides transverse Tropaeum tubercles Upper Aptian venter ventral vertebrae Vervoort Wb/Wh whorl section Wiedmann Xenopus Zool Zululand Zygophylax