Annals of the South African Museum, Volume 7 |
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Page 138
In addition to the two short , diverging , cardinal teeth , there are indications of a
narrow , lath - like ridge ( represented on the cast by a narrow hollow ) running
parallel with the upper valve - margin for a short distance in front of the umbo ,
and ...
In addition to the two short , diverging , cardinal teeth , there are indications of a
narrow , lath - like ridge ( represented on the cast by a narrow hollow ) running
parallel with the upper valve - margin for a short distance in front of the umbo ,
and ...
Page 205
Pictet's figure represents an inflated form which has some resemblance to H.
modderensis , but it differs from this by its ... While of apparently very similar type
to H. modderensis , at the stage represented in Pictet's figure the involution is
less ...
Pictet's figure represents an inflated form which has some resemblance to H.
modderensis , but it differs from this by its ... While of apparently very similar type
to H. modderensis , at the stage represented in Pictet's figure the involution is
less ...
Page 308
The hand is represented with the bones of the forearm and digits lying in one
plane . The carpal elements are placed in what appears to be the natural position
. 8. Portion of manus of Gryponyx africanus , with the carpals represented in the ...
The hand is represented with the bones of the forearm and digits lying in one
plane . The carpal elements are placed in what appears to be the natural position
. 8. Portion of manus of Gryponyx africanus , with the carpals represented in the ...
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Contents
ExogyRA | 25 |
extoni Cleithrolepis S Woodward 264 | 31 |
baini Mytilus Sharpe | 33 |
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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