Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 18
... whorls about five , increasing rapidly in size as added , with slightly convex side ; suture closely appressed ; base of the last whorl slightly rounded , separated by a short ridge ; whorls ornamented by thick and regularly spaced ...
... whorls about five , increasing rapidly in size as added , with slightly convex side ; suture closely appressed ; base of the last whorl slightly rounded , separated by a short ridge ; whorls ornamented by thick and regularly spaced ...
Page 19
... side of the last whorl the varices are reduced to tubercles , located adjacent to the anterior suture ; the base is broad , moderately convex , carries five spiral lines ; aperture partly preserved , oval in outline and indicating the ...
... side of the last whorl the varices are reduced to tubercles , located adjacent to the anterior suture ; the base is broad , moderately convex , carries five spiral lines ; aperture partly preserved , oval in outline and indicating the ...
Page 60
... whorl , large , convex , anteriorly contracted into short stem ; ornament on the body whorl corresponds with that of ... side of the stump of body whorl , the first one much more wide than the last one ; base gently excavated ; aperture ...
... whorl , large , convex , anteriorly contracted into short stem ; ornament on the body whorl corresponds with that of ... side of the stump of body whorl , the first one much more wide than the last one ; base gently excavated ; aperture ...
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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