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]
| Pab Formation | |
|---|---|
| Stratigraphic range: Maastrichtian ~ | |
| Type | Geological formation |
| Underlies | Ranikot Group |
| Overlies | Monajhal Group |
| Thickness | 150–250 m (490–820 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Mudstone, shale |
| Location | |
| Region | Balochistan |
| Country |  Pakistan |
Fossil content
editAmong the following fossils were reported from the formation:
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
edit| Sauropods of the Pab Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Isisaurus[3] | I. colberti | Braincase, possible Ulna | A lithostrotian titanosaur |  | ||
| Jainosaurus?[3] | J. septentrionalis | Humerus | A colossosaurian titanosaur |  | ||
Crocodylomorphs
edit| Sauropods of the Pab Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Induszalim[4] | I. bala | Skull and Postcrania (Rostrum previously referred to Vitakridrinda sulaimani) | A mesoeucrocodylian crocodyliform | |||
| Pabwehshi[5] | P. pakistanensis | Skull elements | A baurusuchine baurusuchid | |||
Invalid taxa
editSee also
editReferences
edit- ^ 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.
- ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ^ a b 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.
- ^ Malkani, M.S. (2006). "First rostrum of carnivorous Vitakridrinda (Abelisaurid theropod dinosaur) found from the Latest Cretaceous dinosaur beds (Vitakri) Member of Pab Formation, Alam Kali Kakor Locality of Viakri area, Darkham District, Balochistan, Pakistan". Sindh University y Research Journal (Science Series). 38 (3): 7–26.
- ^ 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
edit- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
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