Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
From inside the book
Results 1-3 of 33
Page 122
... preserved partially as an internal cast , and partially with the shell preserved ( Fig . 93C ) . In both examples the lateral keels are continuous . On the larger fragment , SAM - K5546 , which is part of a body chamber , the dorsum ...
... preserved partially as an internal cast , and partially with the shell preserved ( Fig . 93C ) . In both examples the lateral keels are continuous . On the larger fragment , SAM - K5546 , which is part of a body chamber , the dorsum ...
Page 129
... preserved , and the earliest whorls preserved already show pentatuberculate ornament . Typical ornament , as shown by SAS - Z866 ( Fig . 97 ) and SAM - PCZ5920 ( Fig . 98 ) , consists of radial to slightly rursiradiate single ribs ...
... preserved , and the earliest whorls preserved already show pentatuberculate ornament . Typical ornament , as shown by SAS - Z866 ( Fig . 97 ) and SAM - PCZ5920 ( Fig . 98 ) , consists of radial to slightly rursiradiate single ribs ...
Page 245
... preserved , showing strong marginal ( 4 ) and external ( 5 ) tubercles , weaker submarginal ( 3 ) tubercles , and an entire keel . The last third of a whorl preserved on the holotype shows very faint ribs bifurcating from strong inward ...
... preserved , showing strong marginal ( 4 ) and external ( 5 ) tubercles , weaker submarginal ( 3 ) tubercles , and an entire keel . The last third of a whorl preserved on the holotype shows very faint ribs bifurcating from strong inward ...
Contents
THE AMMONITE SUBFAMILY TEXANITINAE COLLIGNON | 2 |
Evolution and evolutionary trends in Texanitinae | 348 |
References | 354 |
Copyright | |
Other editions - View all
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