Pab Formation

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Pab Formation
Stratigraphic range: Maastrichtian
~66  Ma
O
S
D
C
P
T
J
K
Pg
N
Type Geological formation
UnderliesRanikot Group
OverliesMonajhal Group
Thickness150–250 m (490–820 ft)
Lithology
Primary Sandstone
Other Mudstone, shale
Location
Region Balochistan
Country Pakistan

The Pab Formation is a Late Cretaceous geologic formation in Balochistan, in western Pakistan. It is dominated by sandstone, with minor mudstone and shale components. [1] Dinosaur remains are among the fossils that have been recovered from the formation. [2]

Contents

Fossil content

Among the following fossils were reported from the formation:

Color key
Taxon Reclassified taxonTaxon falsely reported as presentDubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Sauropods of the Pab Formation
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Isisaurus [3] I. colbertiBraincase, possible UlnaA lithostrotian titanosaur
Isisaurus colberti life restoration.png
Jainosaurus ? [3] J. septentrionalis HumerusA colossosaurian titanosaur
Jainosaurus septentrionalis life restoration.png

Crocodylomorphs

Crocodylomorphs of the Pab Formation
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Pabwehshi [4] P. pakistanensis Skull elementsA baurusuchine baurusuchid

Invalid taxa

See also

References

  1. Umar, Muhammad; Friis, Henrik; Khan, Abdul Salam; Kelling, Gilbert; Kassi, Akhtar Muhammad; Sabir, Muhammad Amjad; Farooq, Muhammad (2013-11-07). "Sediment Composition and Provenance of the Pab Formation, Kirthar Fold Belt, Pakistan: Signatures of Hot Spot Volcanism, Source Area Weathering, and Paleogeography on the Western Passive Margin of the Indian Plate During the Late Cretaceous". Arabian Journal for Science and Engineering . 39 (1): 311–324. doi:10.1007/s13369-013-0850-4. ISSN   1319-8025.
  2. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  3. 1 2 Wilson, Jeffrey A.; Barrett, Paul M.; Carrano, Matthew T. (September 2011). "An associated partial skeleton of Jainosaurus cf. septentrionalis (Dinosauria: Sauropoda) from the Late Cretaceous of Chhota Simla, Central India". Palaeontology. 54 (5): 981–998. Bibcode:2011Palgy..54..981W. doi:10.1111/j.1475-4983.2011.01087.x. hdl: 2027.42/86940 .
  4. Wilson, Jeffrey A.; Malkani, M. Sadiq; Gingerich, Philip D. (2001). "New crocodyliform (Reptilia, Mesoeucrocodylia) from the Upper Cretaceous Pab Formation of Vitakri, Balochistan (Pakistan)". Contributions from the Museum of Paleontology, University of Michigan. 30 (12): 321–336.

Bibliography