Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 18
... whorl slightly rounded , separated by a short ridge ; whorls ornamented by ... section " C " . One specimen . Remarks : Cerithium ? oldhami Cox ( 1931 , p ... whorl ; a second band somewhat weaker appears just below the first one . C ...
... whorl slightly rounded , separated by a short ridge ; whorls ornamented by ... section " C " . One specimen . Remarks : Cerithium ? oldhami Cox ( 1931 , p ... whorl ; a second band somewhat weaker appears just below the first one . C ...
Page 22
... area ; sculpture consists of about six strong bulging varices regularly spaced , dividing the whorl surface into six equal divisions , crossed over by comparatively thin , less prominent spiral lines , about five in number which develop ...
... area ; sculpture consists of about six strong bulging varices regularly spaced , dividing the whorl surface into six equal divisions , crossed over by comparatively thin , less prominent spiral lines , about five in number which develop ...
Page 60
... whorl , large , convex , anteriorly contracted into short stem ; ornament on the body whorl corresponds with that of the spire in the posterior part , the convex portion of the base bears ; two more threads bisected by fine intercalary ...
... whorl , large , convex , anteriorly contracted into short stem ; ornament on the body whorl corresponds with that of the spire in the posterior part , the convex portion of the base bears ; two more threads bisected by fine intercalary ...
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Common terms and phrases
abapertural view aperture appears Arch Archiac & Haime band broadly Chharat consists convex Corbula Cossmann & Pissarro Cotter Cretaceous Description Deshayes designation differs dimensions District D. G. Khan Domanda shale dorsally Drazinda shale Drug section exterior left valve Family fauna feet figured Formation forms fossil Further distribution gastropod Genus Geol geology Ghazij fm gray Group height holotype India intervals Iqbal Italy Jhalar Kohat Lamarck larger length Limestone lines Linne Locality Lower Eocene margin Middle Eocene monotypy ornament Ostrea outline pakistanica Eames Paleocene Paris pelecypod PLATE pointed posterior preserved prominent Quetta Rakhi Nala Range Recent Remarks ribs right valve rounded Shahrig shell short similar slightly soriensis Eames specimen spiral Surv suture thick thin threads Type number.-Specimens type occurrence Type species UCLA umbonal Upper ventral Vredenburg West Pakistan whorls Zinda Pir section