Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 174
... occur near the bases of both sections , and through gradually decreasing umbilical width and whorl breadth , give ... occur in the Richards Bay and Umkwelane Hill areas , and even at False Bay , while typical False Bay faunas occur at ...
... occur near the bases of both sections , and through gradually decreasing umbilical width and whorl breadth , give ... occur in the Richards Bay and Umkwelane Hill areas , and even at False Bay , while typical False Bay faunas occur at ...
Page 252
... occur . SAS - Z1893 ( Fig . 196 ) has coarse ornament on the inner whorls but wide , open lobes . Comparable variation in suture line has been reported in S. chicoense by Matsumoto ( 1959 : 129 ) . Specimens with wide , open , blocky ...
... occur . SAS - Z1893 ( Fig . 196 ) has coarse ornament on the inner whorls but wide , open lobes . Comparable variation in suture line has been reported in S. chicoense by Matsumoto ( 1959 : 129 ) . Specimens with wide , open , blocky ...
Page 289
... occur at the submarginal ( 3 ) tubercle , but not regularly , as single ribs occur as well , resulting in a ratio of umbilical to external tubercles of slightly less than 1 : 2 . The suture is poorly exposed , but features a large ...
... occur at the submarginal ( 3 ) tubercle , but not regularly , as single ribs occur as well , resulting in a ratio of umbilical to external tubercles of slightly less than 1 : 2 . The suture is poorly exposed , but features a large ...
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