Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 61
... submarginal ( 3 ) , marginal ( 4 ) , and external ( 5 ) tubercles are virtually equidistant . The external suture is partly exposed in SAS - Z814 ( Fig . 45A ) . Discussion It is unfortunate that the authors ' material of the species is ...
... submarginal ( 3 ) , marginal ( 4 ) , and external ( 5 ) tubercles are virtually equidistant . The external suture is partly exposed in SAS - Z814 ( Fig . 45A ) . Discussion It is unfortunate that the authors ' material of the species is ...
Page 160
... submarginal ( 3 ) tubercle . SAS - Z596 shows part of the early ontogeny . At a diameter of 14 mm ornament consists of regularly bifurcating thin ribs displaying conical umbi- lical ( 1 ) and submarginal ( 3 ) tubercles on the exposed ...
... submarginal ( 3 ) tubercle . SAS - Z596 shows part of the early ontogeny . At a diameter of 14 mm ornament consists of regularly bifurcating thin ribs displaying conical umbi- lical ( 1 ) and submarginal ( 3 ) tubercles on the exposed ...
Page 273
... submarginal ( 3 ) and marginal ( 4 ) tubercles , and multiplication of the external ( 5 ) tubercles . Due to bifurcations many more external than internal rows of tubercle occur . Discussion Bevahites is poorly represented in the ...
... submarginal ( 3 ) and marginal ( 4 ) tubercles , and multiplication of the external ( 5 ) tubercles . Due to bifurcations many more external than internal rows of tubercle occur . Discussion Bevahites is poorly represented in the ...
Contents
THE AMMONITE SUBFAMILY TEXANITINAE COLLIGNON | 2 |
Evolution and evolutionary trends in Texanitinae | 348 |
References | 354 |
Copyright | |
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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