Memoirs of the Geological Survey of Pakistan, Volume 8The Survey, 1969 |
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Page 5
... Body chamber hook shaped in side view and contracted with a flared collar at the apertural end . Septate whorl cadiconic much more depressed than high , becoming contracted on body chamber . Umbilicus small , oval shape in septate ...
... Body chamber hook shaped in side view and contracted with a flared collar at the apertural end . Septate whorl cadiconic much more depressed than high , becoming contracted on body chamber . Umbilicus small , oval shape in septate ...
Page 8
... body chamber . The primary ribs are dense , gently to moderately prorsiradiate , bifurcating from the middle or slightly above , on the whorl side . In addition a few short inter - calatory ribs are located which either merge to form ...
... body chamber . The primary ribs are dense , gently to moderately prorsiradiate , bifurcating from the middle or slightly above , on the whorl side . In addition a few short inter - calatory ribs are located which either merge to form ...
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Common terms and phrases
ammonite bed ammonite fauna ammonites from Wam argillaceous limestone bed Bajocian Baluchistan Bathonian Belemnite shale bifurcating body chamber Chiltan limestone Choffatia Choffatia Correlation Cutch described specimen diadematus Waagen Dimensions disconformably Dolikephalites Fatmi figured by Waagen Harnai holotype Hunting Survey indet involute Jurassic age Kheraiceras Bomburites limestone and shale Locality.-Wam Tangi Loralai Lower Callovian ammonite Lower Cretaceous Lower Jurassic Macrocephalites Indocephalites Macrocephalus Zone Massive limestone Mazar Drik formation Mazar Drik limestone Middle Jurassic outline of whorl Paralcidia are reported Paralcidia dubia Spath Parona perlamellosus Spath Plate Pleurocephalites polyphemus primary ribs prorsiradiate pyritic argillaceous limestone Quetta ribbing style Sarwan area sequence shell side view soorkaensis Spath species specimen from Nakus specimens internal mould Stratigraphic Range.-Lower Callovian style and side subgenus Survey of Pakistan synonymy Takatu limestone thickness Umbilical diameter thin bedded limestone Tithonian trifurcate umbilical wall umbilicus ventral view Vredenburg 1909 Wam Tangi whorl section whorl side Whorl thickness Umbilical