Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 16
... Shell large , thick , arciform ; transversely subquardrate , posteriorly elongate ; equivalve ; inequi- lateral ; inflated ; umbos rather broad , distant , prominent , opisthogyrate , situated about one - third the length of the shell ...
... Shell large , thick , arciform ; transversely subquardrate , posteriorly elongate ; equivalve ; inequi- lateral ; inflated ; umbos rather broad , distant , prominent , opisthogyrate , situated about one - third the length of the shell ...
Page 23
... Shell medium ; thick ; dorsally aviculoid , auriculated , ventrally somewhat ' Beaker ' - shaped ; inequivalve , sub - equilateral ; left valve comparatively gibbous , broadly convex ; right valve thin , almost flat in which the antero ...
... Shell medium ; thick ; dorsally aviculoid , auriculated , ventrally somewhat ' Beaker ' - shaped ; inequivalve , sub - equilateral ; left valve comparatively gibbous , broadly convex ; right valve thin , almost flat in which the antero ...
Page 60
... shell ; early whorls short , acute , occupying little less than one - third the height of shell ; protoconch and early whorls not preserved , the specimen has about two spire whorls and the body whorl ; the whorls are distinctly ...
... shell ; early whorls short , acute , occupying little less than one - third the height of shell ; protoconch and early whorls not preserved , the specimen has about two spire whorls and the body whorl ; the whorls are distinctly ...
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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