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Page 28
... ventral and posteroventral margins , ventral region compressed ; the shell is
inequivalve , almost equilateral , umbones small , distinct , pointed , terminal ; left
valve thick , inflated , somewhat compressed ventrally ; right valve thin , almost
flat ...
... ventral and posteroventral margins , ventral region compressed ; the shell is
inequivalve , almost equilateral , umbones small , distinct , pointed , terminal ; left
valve thick , inflated , somewhat compressed ventrally ; right valve thin , almost
flat ...
Page 36
Shell medium ; thick , inflated ; triangular in outline ; slightly elongated
transversely : bluntly pointed ; dorsally broad and somewhat tapering ventrally ,
higher than long ; equivalve ; inequilateral : umbones pró minent situated far
forward at less ...
Shell medium ; thick , inflated ; triangular in outline ; slightly elongated
transversely : bluntly pointed ; dorsally broad and somewhat tapering ventrally ,
higher than long ; equivalve ; inequilateral : umbones pró minent situated far
forward at less ...
Page 40
Shell large ; thick ; moderately inflated ; oval in general appearance ; bluntly
pointed and triangular in outline dorsally ; broad and oval ventrally ; equivalve ;
inequilateral ; umbones prominent , umbonal area inflated ; beaks small ,
prominent ...
Shell large ; thick ; moderately inflated ; oval in general appearance ; bluntly
pointed and triangular in outline dorsally ; broad and oval ventrally ; equivalve ;
inequilateral ; umbones prominent , umbonal area inflated ; beaks small ,
prominent ...
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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 |