Annals of the South African Museum, Volume 7 |
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Page 42
similarity in the adult stage in members of these two groups , however peculiar
and striking may be the characters which appear to unite them , and at the same
time to differentiate them from all other sections of the genus with which we are ...
similarity in the adult stage in members of these two groups , however peculiar
and striking may be the characters which appear to unite them , and at the same
time to differentiate them from all other sections of the genus with which we are ...
Page 101
This is an elongated representative of the section Scabrę , and , generally
speaking , it exhibits the normal characters of the section . It is remarkable ,
however , for its very large size and for the manner in which it shares the
character of ...
This is an elongated representative of the section Scabrę , and , generally
speaking , it exhibits the normal characters of the section . It is remarkable ,
however , for its very large size and for the manner in which it shares the
character of ...
Page 112
The close agreement in the characters of the neanic stage reveals the near
relationship of these two forms , and , indeed , such a relationship might
reasonably be inferred from a comparison of adult characters , which coincide in
a remarkable ...
The close agreement in the characters of the neanic stage reveals the near
relationship of these two forms , and , indeed , such a relationship might
reasonably be inferred from a comparison of adult characters , which coincide in
a remarkable ...
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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