Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 100
... stage follows immediately after the trituberculate stage , whereas Plesiotexanites matsumotoi has a quadrituberculate P. ( Ana- texanites ) -like stage before the quinquetuberculate stage . P. thomsoni ( Jones ) , of Upper Coniacian or ...
... stage follows immediately after the trituberculate stage , whereas Plesiotexanites matsumotoi has a quadrituberculate P. ( Ana- texanites ) -like stage before the quinquetuberculate stage . P. thomsoni ( Jones ) , of Upper Coniacian or ...
Page 108
... STAGE LATE 00000 0000 00 STAGE MIDDLE ONTOGENY EARLY STAGE R. zulu Fig . 85. Diagram to illustrate probable evolutionary relationship and known ontogenetic changes in South African representatives of genus Reginaites . matsumotoi ...
... STAGE LATE 00000 0000 00 STAGE MIDDLE ONTOGENY EARLY STAGE R. zulu Fig . 85. Diagram to illustrate probable evolutionary relationship and known ontogenetic changes in South African representatives of genus Reginaites . matsumotoi ...
Page 282
... stage passes relatively rapidly into a final pentatuberculate texanitine stage . Bererella ( type species M. ( B. ) bererensis Collignon , 1948 ) contains widely umbilicate , flat forms with few and widely - spaced ribs . Australiella ...
... stage passes relatively rapidly into a final pentatuberculate texanitine stage . Bererella ( type species M. ( B. ) bererensis Collignon , 1948 ) contains widely umbilicate , flat forms with few and widely - spaced ribs . Australiella ...
Contents
THE AMMONITE SUBFAMILY TEXANITINAE COLLIGNON | 2 |
Evolution and evolutionary trends in Texanitinae | 348 |
References | 354 |
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Common terms and phrases
Africa Ammonites australis Besairie besairiei Bevahites bifurcations body chamber CALIFORN Campanian of Madagascar clavate Collignon 1948 Coniacian Cretaceous ERSITY external tubercles falloti False Bay flanks Gulf Coast higher than wide Hoepen Hokkaido holotype inner whorls jeanneti Kennedy & Klinger lateral keels lateral ornament lateral tubercle lobes Lower Campanian Lower Santonian marginal material Matsumoto 1970 Menabites Australiella Menabites Delawarella Middle Campanian Mortoniceras occur ontogeny outer whorls Parabevahites Paratexanites Paratexanites pseudotricarinatum sp Paratype phragmocone Plesiotexanites stangeri Baily Pondoland radially elongated Reginaites ribs Richards Bay row of tubercles SAN DIEGO soutoni natalense ssp Spath specimen figured St Lucia Formation stage stratigraphic subdelawarensis submarginal Submortoniceras woodsi suture suture line Texanites soutoni natalense Texanites soutoni soutoni texanitids Texanitinae texanus text-fig tonian Transkei trituberculate type species umbilical diameter umbilical tubercles umbilical wall umbilical width Umkwelane Hill Umzamba Formation umzambiense undulating keel Upper Santonian vanhoepeni venter ventrolateral tubercles whorl section Zululand Zululand specimens