Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 14
... distinguished by its typical ornamentation , consisting of fine , smooth , concentric striae . The shape and the size cannot be regarded as diagnostic as the genus Anomia is well - known for having many variations in this respect . The ...
... distinguished by its typical ornamentation , consisting of fine , smooth , concentric striae . The shape and the size cannot be regarded as diagnostic as the genus Anomia is well - known for having many variations in this respect . The ...
Page 19
... distinguished characters . Most likely , Vicarya is a derivative of Melanopsis or Cerithium . Genus Pyrazus Montfort , 1810 ( Type species Pyrazus baudani Montfort - ebenius ( Bruguiere ) PYRAZUS KHANI Iqbal ( Pl . 11 , figs . 11-12 ...
... distinguished characters . Most likely , Vicarya is a derivative of Melanopsis or Cerithium . Genus Pyrazus Montfort , 1810 ( Type species Pyrazus baudani Montfort - ebenius ( Bruguiere ) PYRAZUS KHANI Iqbal ( Pl . 11 , figs . 11-12 ...
Page 60
... distinguished by its shape , the typical whorl profile , being extremely sloping over their posterior half and sharply convex anteriorly ; suture linear and sutural area covered by a thick crenulated thread ; spiral ornament typical ...
... distinguished by its shape , the typical whorl profile , being extremely sloping over their posterior half and sharply convex anteriorly ; suture linear and sutural area covered by a thick crenulated thread ; spiral ornament typical ...
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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