Annals of the South African Museum, Volume 7 |
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Page 85
Holzapfel appear to be still more strongly distinguished by their frequently curved
antero - ventral margin and their well - marked concentric ornament . In Mytilus
tornacensis d'Archiac , I from the Tourtia of Tournay , the binge - line is relatively ...
Holzapfel appear to be still more strongly distinguished by their frequently curved
antero - ventral margin and their well - marked concentric ornament . In Mytilus
tornacensis d'Archiac , I from the Tourtia of Tournay , the binge - line is relatively ...
Page 144
Others from the Lower Greensand in the Isle of Wight , named Thetis minor by the
same author , 1 are frequently preserved as casts ( the specimens from Shanklin
) , but appear to be usually well distinguished from those above - mentioned by ...
Others from the Lower Greensand in the Isle of Wight , named Thetis minor by the
same author , 1 are frequently preserved as casts ( the specimens from Shanklin
) , but appear to be usually well distinguished from those above - mentioned by ...
Page 158
Although possessing no highly distinctive external features , this shell retains a
certain characteristic aspect , while approaching somewhat closely to some
European representatives of the genus . It may usually be easily distinguished
from the ...
Although possessing no highly distinctive external features , this shell retains a
certain characteristic aspect , while approaching somewhat closely to some
European representatives of the genus . It may usually be easily distinguished
from 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