Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 160
... Young's material , however , is more coarsely costate on the inner whorls ( compare Young 1963 : pl . 44 ( fig . 2 ) ) . On the other hand , if density of ribbing on the inner whorls of Plesiotexanites is taken into consideration , this ...
... Young's material , however , is more coarsely costate on the inner whorls ( compare Young 1963 : pl . 44 ( fig . 2 ) ) . On the other hand , if density of ribbing on the inner whorls of Plesiotexanites is taken into consideration , this ...
Page 210
... Young ( 1963 : 92 ) did , indeed , refer to this species ( together with Woods's specimen of Mortoniceras soutoni ( 1906 , pl . 43 ( fig . 1 ) ) and T. roemeri as being ' close to the Submortoniceras - Texanites taxonomic boundary ' ( Young ...
... Young ( 1963 : 92 ) did , indeed , refer to this species ( together with Woods's specimen of Mortoniceras soutoni ( 1906 , pl . 43 ( fig . 1 ) ) and T. roemeri as being ' close to the Submortoniceras - Texanites taxonomic boundary ' ( Young ...
Page 286
... Young ( 1963 : 114 , pl . 57 ( fig . 6 ) , pl . 62 ( figs 1–2 ) , pl . 64 ( figs 1 , 5 ) , pl . 65 ( figs 1-2 ) , pl . 66 ( figs 3-4 ) , text - figs 24c , 33b ) from the Lower Campanian of the Gulf Coast of North America . M ...
... Young ( 1963 : 114 , pl . 57 ( fig . 6 ) , pl . 62 ( figs 1–2 ) , pl . 64 ( figs 1 , 5 ) , pl . 65 ( figs 1-2 ) , pl . 66 ( figs 3-4 ) , text - figs 24c , 33b ) from the Lower Campanian of the Gulf Coast of North America . M ...
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