Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Results 1-3 of 13
Page 13
... broadly oval in outline , broadly rounded in front ; shell internally nacreous ; the left valve appears to be larger than the right one ; only a fragment of the anterior portion of right valve is preserved ; inequilateral , with the ...
... broadly oval in outline , broadly rounded in front ; shell internally nacreous ; the left valve appears to be larger than the right one ; only a fragment of the anterior portion of right valve is preserved ; inequilateral , with the ...
Page 16
... broadly subtrigonal , slightly elongate anteriorly , broadly rounded in front , contracted behind , inequivalve ; inequilateral ; close , both the valves inflated , convex , right valve slightly larger . more inflated , more convex ...
... broadly subtrigonal , slightly elongate anteriorly , broadly rounded in front , contracted behind , inequivalve ; inequilateral ; close , both the valves inflated , convex , right valve slightly larger . more inflated , more convex ...
Page 16
... broadly convex towards margin except in the postero - dorsal region where they are almost straight ; broadly spaced ; the entire margin of the valves is crenulated due to strong radial ornament . Type number . - Holotype , SU - 75 ...
... broadly convex towards margin except in the postero - dorsal region where they are almost straight ; broadly spaced ; the entire margin of the valves is crenulated due to strong radial ornament . Type number . - Holotype , SU - 75 ...
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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