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Page 16
Shell large , thick , arciform ; transversely subquardrate , posteriorly elongate ;
equivalve ; inequilateral ; inflated ; umbos rather broad , distant , prominent ,
opisthogyrate , situated about one - third the length of the shell from the anterior ...
Shell large , thick , arciform ; transversely subquardrate , posteriorly elongate ;
equivalve ; inequilateral ; inflated ; umbos rather broad , distant , prominent ,
opisthogyrate , situated about one - third the length of the shell from the anterior ...
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 59
Shell large , fusoid ; conical ; spire high ; whorls extremely sloping over their
posterior half and sharply convex anteriorly ; suture linear , sutural area covered
by a prominent , thick , crenulated thread ; ornament strictly spiral ( no axial
ornament ) ...
Shell large , fusoid ; conical ; spire high ; whorls extremely sloping over their
posterior half and sharply convex anteriorly ; suture linear , sutural area covered
by a prominent , thick , crenulated thread ; ornament strictly spiral ( no axial
ornament ) ...
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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 |