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Page 21
The aperture is well preserved in one specimen and agrees well with the living
form representing the genus Pirena . The adult ornamentation is very well
preserved in two specimens . The writer agrees with Cox ( 1931 , p . 46 ) that the
...
The aperture is well preserved in one specimen and agrees well with the living
form representing the genus Pirena . The adult ornamentation is very well
preserved in two specimens . The writer agrees with Cox ( 1931 , p . 46 ) that the
...
Page 32
In the specimens , both the valves are intact . One specimen has well preserved
ornament , they are of variable size . The dimensions of the larger specimen are :
length 23 . 5 mm . , height 25 . 5 mm . , thickness ( both valves intact ) 16 . 0 mm .
In the specimens , both the valves are intact . One specimen has well preserved
ornament , they are of variable size . The dimensions of the larger specimen are :
length 23 . 5 mm . , height 25 . 5 mm . , thickness ( both valves intact ) 16 . 0 mm .
Page 50
In the specimens protoconch and aperture is not preserved . The specimens are
of variable dimensions . Further distribution in W . Pakistan . — Middle Eocene of
Kach and Sambasa ( Baluchistan ) ( Eames , 1952a , p . 24 ) . Distribution ...
In the specimens protoconch and aperture is not preserved . The specimens are
of variable dimensions . Further distribution in W . Pakistan . — Middle Eocene of
Kach and Sambasa ( Baluchistan ) ( Eames , 1952a , p . 24 ) . Distribution ...
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Common terms and phrases
abapertural view aperture appears Arch Archiac & Haime band broadly Chharat consists convex 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 Miocene monotypy number.—Specimens Nummulites 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 specimen spiral suture thick thin threads Type number Type number.-Specimens type occurrence Type species UCLA umbonal Upper Vredenburg West Pakistan whorls Zinda Pir section
Bibliographic information
| Title | Memoirs of the Geological Survey of Pakistan, Volumes 5-6 Memoirs of the Geological Survey of Pakistan, Geological Survey of Pakistan Memoirs of the Geological Survey of Pakistan: Palaeontologia Pakistanica |
| Contributor | Geological Survey of Pakistan |
| Publisher | The Survey, 1969 |
| Original from | the University of Michigan |
| Digitized | 14 Feb 2008 |
| Export Citation | BiBTeX EndNote RefMan |