Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 7
... consisting of a line of multiplied tubercles , is interrupted . Only representatives of Protexanites s.s. occur in southern Africa , hence the reader is referred to Matsumoto ( 1970 ) for ... consists CRETACEOUS FAUNAS FROM SOUTH AFRICA 7.
... consisting of a line of multiplied tubercles , is interrupted . Only representatives of Protexanites s.s. occur in southern Africa , hence the reader is referred to Matsumoto ( 1970 ) for ... consists CRETACEOUS FAUNAS FROM SOUTH AFRICA 7.
Page 160
... consists of regularly bifurcating thin ribs displaying conical umbi- lical ( 1 ) and submarginal ( 3 ) tubercles on the exposed flank . At a diameter of c . 32 mm ribs still bifurcate regularly , rib density being about 11 ( bifurcating ...
... consists of regularly bifurcating thin ribs displaying conical umbi- lical ( 1 ) and submarginal ( 3 ) tubercles on the exposed flank . At a diameter of c . 32 mm ribs still bifurcate regularly , rib density being about 11 ( bifurcating ...
Page 168
... consists of strong ventrolateral spines which lean against and into the umbilical wall of the succeeding whorl . On the innermost whorl preserved , these spines are impressed into the umbilical wall to such an extent that the whorl ...
... consists of strong ventrolateral spines which lean against and into the umbilical wall of the succeeding whorl . On the innermost whorl preserved , these spines are impressed into the umbilical wall to such an extent that the whorl ...
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