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Page 12
... alternate regularly in thickness and are granulated at their intersection and with
distinct numerous concentric ridges ; the entire margin of the valves is indistinctly
crenulated , Order Isodonta Dal ] Family Ostreidae Genus Ostrea Linne , 1758 .
... alternate regularly in thickness and are granulated at their intersection and with
distinct numerous concentric ridges ; the entire margin of the valves is indistinctly
crenulated , Order Isodonta Dal ] Family Ostreidae Genus Ostrea Linne , 1758 .
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 - dorsal
margin is ...
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 - dorsal
margin is ...
Page 28
... the ventral region , with maximum length between antero - ventral and
posteroventral margins , ventral region compressed ... margin short , oblique ,
angulated and inclined anteriorly ; anterior margin long , oblique inclined dorsally
; antero ...
... the ventral region , with maximum length between antero - ventral and
posteroventral margins , ventral region compressed ... margin short , oblique ,
angulated and inclined anteriorly ; anterior margin long , oblique inclined dorsally
; antero ...
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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 |