Annals of the South African Museum, Volume 7 |
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Page 6
Zoarium subtriangular with a flat or concave reverse face ; the lateral series are
regular and contain six to eight apertures ; the apertures are circular ; the zoccia
are emergent . Idmonea filiformis , d'Orbigny ( Bry . Crét . , 1853 , p . 744 , pl .
Zoarium subtriangular with a flat or concave reverse face ; the lateral series are
regular and contain six to eight apertures ; the apertures are circular ; the zoccia
are emergent . Idmonea filiformis , d'Orbigny ( Bry . Crét . , 1853 , p . 744 , pl .
Page 183
In Bochianites there is a siphonal lobe , an anti - siphonal lobe , and on either
side one main lateral lobe . These are relatively narrow and of almost equal
depth . An important distinctive feature is the trifid termination of the lateral lobe .
In Bochianites there is a siphonal lobe , an anti - siphonal lobe , and on either
side one main lateral lobe . These are relatively narrow and of almost equal
depth . An important distinctive feature is the trifid termination of the lateral lobe .
Page 212
The elongated body shows , in its form , considerable lateral compression , and
the carapace , in particular , has strong lateral flattening . The carapace , in lateral
aspect , has relatively great height , and the branchiostegites occupy a large ...
The elongated body shows , in its form , considerable lateral compression , and
the carapace , in particular , has strong lateral flattening . The carapace , in lateral
aspect , has relatively great height , and the branchiostegites occupy a large ...
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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 |