Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 19
... genus , the writer disagrees with Cox ( 1931 , p . 44 ) who confirms the view of Dollfus that “ Vicarya is merely a derivative of the genus Potamides " . As described above , the aperture of this species is more or less oval with ...
... genus , the writer disagrees with Cox ( 1931 , p . 44 ) who confirms the view of Dollfus that “ Vicarya is merely a derivative of the genus Potamides " . As described above , the aperture of this species is more or less oval with ...
Page 20
... Genus Terebrolia Swainson , 1840 ( Type species Terebralia palustris ( Bruguiere ) TEREBRALIA PATHANI Iqbal ( Pl . 12 , figs . 11-12 ) Description : Shell large , thick ; turreted ; spire high , acute , spiral angle about thirty - one ...
... Genus Terebrolia Swainson , 1840 ( Type species Terebralia palustris ( Bruguiere ) TEREBRALIA PATHANI Iqbal ( Pl . 12 , figs . 11-12 ) Description : Shell large , thick ; turreted ; spire high , acute , spiral angle about thirty - one ...
Page 21
... genus Pirena . The adult ornamentation is very well preserved in two specimens . The writer agrees with Cox ( 1931 , p . 46 ) that the superficial resemblance , to Bellatara is probably due to convergence . The aperture , however , is ...
... genus Pirena . The adult ornamentation is very well preserved in two specimens . The writer agrees with Cox ( 1931 , p . 46 ) that the superficial resemblance , to Bellatara is probably due to convergence . The aperture , however , is ...
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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