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The shell is septate , compressed , involute , oxyconic with a fastigate to weekly
tricarinate venter The whorl sides are gently convex converging towards an acute
tricarinate venter . The umbilicus is narrow and the umbilical wall is gently ...
The shell is septate , compressed , involute , oxyconic with a fastigate to weekly
tricarinate venter The whorl sides are gently convex converging towards an acute
tricarinate venter . The umbilicus is narrow and the umbilical wall is gently ...
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Shell adult , small ( microconch ) of 40 mm . diameter . Inner whorls involute ,
outer whorl accentrically coiled . Body chamber hook shaped in side view and
contracted with a flared collar at the apertural end . Septate whorl cadiconic much
...
Shell adult , small ( microconch ) of 40 mm . diameter . Inner whorls involute ,
outer whorl accentrically coiled . Body chamber hook shaped in side view and
contracted with a flared collar at the apertural end . Septate whorl cadiconic much
...
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The larger fragmentary specimens of approximately 80 mm diameter show a
typical Dolikephalites ribbing . The shell is involute , moderately compressed ,
much higher than wide . The whorl section is oval with arched venter and whorl
sides .
The larger fragmentary specimens of approximately 80 mm diameter show a
typical Dolikephalites ribbing . The shell is involute , moderately compressed ,
much higher than wide . The whorl section is oval with arched venter and whorl
sides .
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Common terms and phrases
Alpine ammonite ammonite bed antimony argillaceous Arkell associated Baluchistan geosynclinal barite Bela Belemnite belt body chamber Bomburites border central geosynclinal trough Chagai median massif characteristic characterized Chiltan limestone Choffatia chromite chromite deposits closely comparable complex confined connected consider copper correlation Cretaceous Cutch described diameter Dimensions distinguished distribution early effusives endogenous deposits endogenous mineralization extending fauna figured folded followed formation formed fractured geological Geological Survey geosynclinal development Jurassic Kheraiceras known late limits Lower Callovian Macrocephalites magmatism manifestations Mazar Drik metallogeny Middle molybdenum Nakus Neocomian Noetling occur Oligocene origin outline Paralcidia Pishin-Makran Platform possible present pyritic region regularities relation represented ribs rocks sedimentation sequence shale shell skarn southern Spath specimen stage structures submarine Survey of Pakistan thickness thin took ultramafic intrusions umbilical unit Upper Waagen Wam Tangi West Pakistan whorl section whorl side widely zone
Bibliographic information
| Title | Memoirs of the Geological Survey of Pakistan, Volumes 7-8 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 |