Annals of the South African Museum, Volume 80The Museum, 1980 - Natural history |
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Page 29
... similar depressed whorl section on the phragmocone , and comparable ornament consisting of radially elongated umbilical tubercles , single , slightly concave ribs and promi- nent clavate ventrolateral tubercles . Through reduction of ...
... similar depressed whorl section on the phragmocone , and comparable ornament consisting of radially elongated umbilical tubercles , single , slightly concave ribs and promi- nent clavate ventrolateral tubercles . Through reduction of ...
Page 160
... similar to the holotype of T. americanus ( see Lasswitz 1904 , pl . 8 ( fig . 1 ) ) . The inner whorls of the holo- type , however , are not as densely costate as those of the Zululand specimen . Young ( 1963 : 83-4 ) suggested that ...
... similar to the holotype of T. americanus ( see Lasswitz 1904 , pl . 8 ( fig . 1 ) ) . The inner whorls of the holo- type , however , are not as densely costate as those of the Zululand specimen . Young ( 1963 : 83-4 ) suggested that ...
Page 224
... similar to the predominantly Pondo- land subspecies T. soutoni s.s. It is associated with an ammonoid fauna con- sisting of Hauericeras gardeni , Pseudoschloenbachia umbulazi and varieties , ' Heteroceras ' amapondense and ...
... similar to the predominantly Pondo- land subspecies T. soutoni s.s. It is associated with an ammonoid fauna con- sisting of Hauericeras gardeni , Pseudoschloenbachia umbulazi and varieties , ' Heteroceras ' amapondense and ...
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