Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 9
... developed in southern Europe . In northern Italy , the molluscan fauna is abundant from the Lutetian onwards , but the rocks of Ypresian age contain few molluscan fossils . There is no evidence that the species common to West Pakistan ...
... developed in southern Europe . In northern Italy , the molluscan fauna is abundant from the Lutetian onwards , but the rocks of Ypresian age contain few molluscan fossils . There is no evidence that the species common to West Pakistan ...
Page 22
... develop small crenulations at the point of intersection ; base somewhat flat , bears about three ribs , the first one adjacent to the posterior margin of the last whorl is comparatively thicker and the third one is thinner than the ...
... develop small crenulations at the point of intersection ; base somewhat flat , bears about three ribs , the first one adjacent to the posterior margin of the last whorl is comparatively thicker and the third one is thinner than the ...
Page 34
... developed and they are well defined , lunule is lanceolate and large , reaches to antero - ventral margin ; escutcheon large , reaches to postero - ventral margin ; ornament consists of concentric lines of growth , regularly spaced ...
... developed and they are well defined , lunule is lanceolate and large , reaches to antero - ventral margin ; escutcheon large , reaches to postero - ventral margin ; ornament consists of concentric lines of growth , regularly spaced ...
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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