Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 2
... variation , evolu- tionary trends , apparent endemism and gigantic growth are concerned . Further- more , identification of these faunas allows for detailed stratigraphic correlation with biostratigraphically equivalent strata of ...
... variation , evolu- tionary trends , apparent endemism and gigantic growth are concerned . Further- more , identification of these faunas allows for detailed stratigraphic correlation with biostratigraphically equivalent strata of ...
Page 176
... VARIATION Fig . 132. Diagrammatic illustration showing suggested lines of evolution and intraspecific variation in species of the Texanites soutoni - Submortoniceras woodsi plexus in the False Bay region of Zululand . ornamented on the ...
... VARIATION Fig . 132. Diagrammatic illustration showing suggested lines of evolution and intraspecific variation in species of the Texanites soutoni - Submortoniceras woodsi plexus in the False Bay region of Zululand . ornamented on the ...
Page 208
... variation , comparisons with species outside southern Africa become tenuous . T. hourcqi Collignon from the Middle Santonian of Madagascar is similar to the more evolute forms of T. soutoni s.s. , but is more compressed . When compared ...
... variation , comparisons with species outside southern Africa become tenuous . T. hourcqi Collignon from the Middle Santonian of Madagascar is similar to the more evolute forms of T. soutoni s.s. , but is more compressed . When compared ...
Contents
THE AMMONITE SUBFAMILY TEXANITINAE COLLIGNON | 2 |
Evolution and evolutionary trends in Texanitinae | 348 |
References | 354 |
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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