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Page 16
B . barbatula ( Lamarck ) is broadly triangular in outline , antero - dorsal margin is
long , somewhat straight and sharply convex , the ventral margin is straight .
postero - dorsal margin straight and angular posteriorly ; umbos are situated
about ...
B . barbatula ( Lamarck ) is broadly triangular in outline , antero - dorsal margin is
long , somewhat straight and sharply convex , the ventral margin is straight .
postero - dorsal margin straight and angular posteriorly ; umbos are situated
about ...
Page 28
Shell large , thick ; moderately inflated ; transversely elongated ; in general
appearance , resembles somewhat to a slipper , narrow dorsally , broad ventrally
, having a sharp triangular outline in the dorsal region and broadly triangular in ...
Shell large , thick ; moderately inflated ; transversely elongated ; in general
appearance , resembles somewhat to a slipper , narrow dorsally , broad ventrally
, having a sharp triangular outline in the dorsal region and broadly triangular in ...
Page 40
... oblique , inclined and broadly angulated ventrally ; ventral margin oval ,
broadly concave in its anterior and median region , less convex in its posterior
region , somewhat produced anteriorly ; postero - dorsal margin short , broadly
angulated ...
... oblique , inclined and broadly angulated ventrally ; ventral margin oval ,
broadly concave in its anterior and median region , less convex in its posterior
region , somewhat produced anteriorly ; postero - dorsal margin short , broadly
angulated ...
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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 |