Annals of the South African Museum, Volume 7 |
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Page 133
In the Lincolnshire specimens the shell is as a rule less orbicular , and attains
greater height in proportion to length ; at the same time , the valve is rather more
flattened towards the inferior margin in fully grown individuals . The lunule has ...
In the Lincolnshire specimens the shell is as a rule less orbicular , and attains
greater height in proportion to length ; at the same time , the valve is rather more
flattened towards the inferior margin in fully grown individuals . The lunule has ...
Page 173
In form and outline and in the shape of the aperture great resemblance is shown
to the shell from the Stramberg beds figured by Zittel * as Natica ( Ampullina )
elegans Sow .; this differs , however , by the slightly less overlap of the whorls
and ...
In form and outline and in the shape of the aperture great resemblance is shown
to the shell from the Stramberg beds figured by Zittel * as Natica ( Ampullina )
elegans Sow .; this differs , however , by the slightly less overlap of the whorls
and ...
Page 193
by Karakasch , to differ from the African species by the relatively wider umbilicus
and less degree of involution , but to resemble it in possessing backwardly
inclined umbilical ribs . Kilian has described an ammonite from the Hauterivian of
the ...
by Karakasch , to differ from the African species by the relatively wider umbilicus
and less degree of involution , but to resemble it in possessing backwardly
inclined umbilical ribs . Kilian has described an ammonite from the Hauterivian of
the ...
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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 |