Pabwehshi

<i>Pabwehshi</i>

Pabwehshi

Extinct genus of reptiles

Pabwehshi (meaning "Pab [Formation] beast ["wehshi" in Urdu]") is an extinct genus of mesoeucrocodylian. It is based on GSP-UM 2000, a partial snout and corresponding lower jaw elements, with another snout assigned to it. These specimens were found in Maastrichtian-age Upper Cretaceous rocks of the Vitakri and Pab Formations in Balochistan, Pakistan, and represent the first diagnostic crocodyliform fossils from Cretaceous rocks of South Asia. Pabwehshi had serrated interlocking teeth in its snout that formed a "zig-zag" cutting edge. Pabwehshi was named in 2001 by Jeffrey A. Wilson and colleagues. The type species is P. pakistanensis, in reference to the nation where it was found.[1] It was traditionally classified as a baurusuchid closely related to Cynodontosuchus and Baurusuchus.[1][2][3][4][5][6] Larsson and Sues (2007) found close affinity between Pabwehshi and the Peirosauridae within Sebecia.[7] Montefeltro et al. Pabwehshi has a sagittal torus on its maxillary palatal shelves – a character that is absent in baurusuchids – but they did not include Pabwehshi in their phylogenetic analysis.[8]

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References

  1. [1]
    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.
  2. [2]
    Turner, A.H.; Calvo, J.O. (2005). "A new sebecosuchian crocodyliform from the Late Cretaceous of Patagonia". Journal of Vertebrate Paleontology. 25 (1): 87–98. doi:10.1671/0272-4634(2005)025[0087:ANSCFT]2.0.CO;2.
  3. [3]
    Paulo Miranda Nascimento & Hussam Zaher (2010). "A new species of Baurusuchus (Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Brazil, with the first complete postcranial skeleton described from the family Baurusuchidae" (PDF). Papéis Avulsos de Zoologia. 50 (21): 323‑361. doi:10.1590/s0031-10492010002100001.
  4. [4]
    Turner, A.H.; Sertich, J.W. (2010). "Phylogenetic history of Simosuchus clarki (Crocodyliformes: Notosuchia) from the Late Cretaceous of Madagascar". Journal of Vertebrate Paleontology. 30 (6, Memoir 10): 177–236. doi:10.1080/02724634.2010.532348. S2CID 86737170.
  5. [5]
    Ismar De Souza Carvalho; Vicente De Paula Antunes Teixeira; Mara Lúcia Da Fonseca Ferraz; Luiz Carlos Borges Ribeiro; Agustín Guillermo Martinelli; Francisco Macedo Neto; Joseph J. W. Sertich; Gabriel Cardoso Cunha; Isabella Cardoso Cunha & Patrícia Fonseca Ferraz (2011). "Campinasuchus dinizi gen. et sp. nov., a new Late Cretaceous baurusuchid (Crocodyliformes) from the Bauru Basin, Brazil" (PDF). Zootaxa. 2871: 19–42. doi:10.11646/zootaxa.2871.1.2.
  6. [6]
    Diego Pol & Jaime E. Powell (2011). "A new sebecid mesoeucrocodylian from the Rio Loro Formation (Palaeocene) of north-western Argentina". Zoological Journal of the Linnean Society. 163: S7–S36. doi:10.1111/j.1096-3642.2011.00714.x. hdl:11336/69518.
  7. [7]
    Larsson, H. C. E.; Sues, H.-D. (2007). "Cranial osteology and phylogenetic relationships of Hamadasuchus rebouli (Crocodyliformes: Mesoeucrocodylia) from the Cretaceous of Morocco". Zoological Journal of the Linnean Society. 149 (4): 533–567. doi:10.1111/j.1096-3642.2007.00271.x.
  8. [8]
    Montefeltro, F.C.; Larsson, H.C.E.; Langer, M.C. (2011). Farke, Andrew Allen (ed.). "A New Baurusuchid (Crocodyliformes, Mesoeucrocodylia) from the Late Cretaceous of Brazil and the Phylogeny of Baurusuchidae". PLOS ONE. 6 (7): e21916. Bibcode:2011PLoSO...621916M. doi:10.1371/journal.pone.0021916. PMC 3135595. PMID 21765925.


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