Annals of the South African Museum, Volume 7 |
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Page 87
The cardinal margin slopes down forwards from the umbo with a gently convex
outline , and passes by a curve into the rather short anterior margin . The
posterior margin falls steeply from the umbo and passes by a rather sharp curve
into the ...
The cardinal margin slopes down forwards from the umbo with a gently convex
outline , and passes by a curve into the rather short anterior margin . The
posterior margin falls steeply from the umbo and passes by a rather sharp curve
into the ...
Page 341
Above a broad powerful internasal process passes up between the nasals and
ends in a point as shown in Fig . 1. Underneath the premaxillary forms about two
- thirds of the hard palate . Though the suture is not shown in the figures , it
begins ...
Above a broad powerful internasal process passes up between the nasals and
ends in a point as shown in Fig . 1. Underneath the premaxillary forms about two
- thirds of the hard palate . Though the suture is not shown in the figures , it
begins ...
Page 349
From the sides of this sphenoidal portion of the pterygoids there passes outwards
and backwards a flattened process which extends to and articulates with the
quadrate . There is still a little uncertainty as to the structure of the epipterygoid ...
From the sides of this sphenoidal portion of the pterygoids there passes outwards
and backwards a flattened process which extends to and articulates with the
quadrate . There is still a little uncertainty as to the structure of the epipterygoid ...
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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 |