Memoirs of the Geological Survey of Pakistan, Volume 8The Survey, 1969 |
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Page 5
... umbilicus . Coiling on the last whorl is accentric . The umbilical seam takes a right angle turn at the beginning of body chamber and the shell uncoils . The umbilical shoulder is fairly well defined and the umbilical wall is steeply ...
... umbilicus . Coiling on the last whorl is accentric . The umbilical seam takes a right angle turn at the beginning of body chamber and the shell uncoils . The umbilical shoulder is fairly well defined and the umbilical wall is steeply ...
Page 6
... umbilicus is narrow and has a vertical umbilical wall and sharply rounded umbilical shoulder . The primary ribs are rursiradiate on the umbilical wall and shoulder , recurving to prorsiradiate on the whorl side . The ribs bifurcate and ...
... umbilicus is narrow and has a vertical umbilical wall and sharply rounded umbilical shoulder . The primary ribs are rursiradiate on the umbilical wall and shoulder , recurving to prorsiradiate on the whorl side . The ribs bifurcate and ...
Page 7
... umbilicus is wide with a first with a steeply inclined first and then a vertical wall and rounded umbilical shoulder . The primary ribs are weak on the umbilical wall , becoming stronger on the umbilical shoulder and extend pro- minenty ...
... umbilicus is wide with a first with a steeply inclined first and then a vertical wall and rounded umbilical shoulder . The primary ribs are weak on the umbilical wall , becoming stronger on the umbilical shoulder and extend pro- minenty ...
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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