Annals of the South African Museum, Volume 7 |
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Page 50
T. heterosculpta differs , however , from its African allies by the less posterior
elongation of the shell . Here again , in the Belgrano beds , we find an associated
Gervillia of large dimensions , which does not appear to be widely removed from
G.
T. heterosculpta differs , however , from its African allies by the less posterior
elongation of the shell . Here again , in the Belgrano beds , we find an associated
Gervillia of large dimensions , which does not appear to be widely removed from
G.
Page 58
One point at any rate is clear , that the argument based upon the sharp contrast
between the Neocomian fauna of Cape Colony and comparable occurrences
situated on the African continent to the north of the supposed separating ridge ,
can ...
One point at any rate is clear , that the argument based upon the sharp contrast
between the Neocomian fauna of Cape Colony and comparable occurrences
situated on the African continent to the north of the supposed separating ridge ,
can ...
Page 190
114 , on the other hand , is not quite so highly arched in proportion , and seems
to agree better with that shown by the South African specimens described below
as H. cf. atherstoni . As regards the development of constrictions , these , if truly ...
114 , on the other hand , is not quite so highly arched in proportion , and seems
to agree better with that shown by the South African specimens described below
as H. cf. atherstoni . As regards the development of constrictions , these , if truly ...
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Contents
ExogyRA | 25 |
extoni Cleithrolepis S Woodward 264 | 31 |
baini Mytilus Sharpe | 33 |
8 other sections not shown
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Common terms and phrases
adult African angle anterior apertures appears atherstoni baini Band becomes beds bone border Broom characters closely collection comparable comparison considerably convex Cretaceous curved d'Orbigny described developed diameter differs direction distinct distinguished dorsal doubt elongated evidence fauna figure flank fossils front frontal further genus Geol greater greatest half height Holcostephanus individual Jurassic known lateral length less lower margin marked measures middle Museum narrow Neocomian obtained occur Oomia ornamentation outline passes Plate portion posterior present preserved probably prominent referred regarded region relatively remarks represented resemblance ribs ridges Rogers rounded sculpture seems seen separated Sharpe shell shown shows side similar single slightly South African species specimen stage Sunday's River surface Tate traced Trigonia tubercles Uitenhage umbilical umbo umbonal upper valve whorl
Bibliographic information
| Title | Annals of the South African Museum, Volume 7 Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 1913 |
| Original from | University of Minnesota |
| Digitized | 4 Oct 2013 |
| Export Citation | BiBTeX EndNote RefMan |