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"Mandasuchus" is an informal name given to a rauisuchian from the Manda Formation of Tanzania, which dates back to the Ladinian or Anisian stage of the Middle Triassic.[1][2] The name was first used in a 1957 doctoral dissertation by Alan J. Charig of the University of Cambridge, along with Teleocrater, an archosaur formally named in 2017.[3][4] Several well preserved specimens have been found, although there is little cranial material.

The family Prestosuchidae was constructed in 1967 by Alfred Romer to include "Mandasuchus" and three other formally named genera of rauisuchians.[5][6] Charig and two coauthors suggested in a 1965 study dealing with saurischians that "Mandasuchus" was a possible ancestor of the prosauropods, although no explanation was given for these claims, which are now considered to be highly unlikely.[7][8] In his 1993 study of the phylogeny of Crocodylotarsi, J. Michael Parrish suggested that "Mandasuchus" is the same genus as the European prestosuchid Ticinosuchus ferox due to the extreme similarity of some homologous postcranial bones, but withheld final taxonomic determination of "Mandasuchus" until Charig provided a published description of the material.[9] A cladistic analysis figured in Stefanic and Nesbitt (2018), however, recovers "Mandasuchus" as phylogenetically intermediate between Poposauroidea and Prestosuchus.[10]


  1. ^ Dawley, R. M.; Zawiskie, J. M.; Cosgriff, J. W. (1979). "A rauisuchid thecodont from the Upper Triassic Popo Agie Formation of Wyoming". Journal of Paleontology. 53 (6): 1428–1431. 
  2. ^ Sen, K. (2005). "A new rauisuchian archosaur from the Middle Triassic of India". Palaeontology. 48 (1): 185–196. doi:10.1111/j.1475-4983.2004.00438.x. 
  3. ^ Charig, A. J. (1957). New Triassic archosaurs from Tanganyika, including Mandasuchus and Teleocrater: Dissertation Abstracts. Cambridge University.
  4. ^ Nesbitt, S.J.; Butler, R.J.; Ezcurra, M.D.; Barrett, P.M.; Stocker, M.R.; Angielczyk, K.D.; Smith, R.M H.; Sidor, C.A.; Niedźwiedzki, G.; Sennikov, A.G.; Charig, A.J. (2017). "The earliest bird-line archosaurs and the assembly of the dinosaur body plan". Nature. doi:10.1038/nature22037. 
  5. ^ Romer, A. S. (1967). Vertebrate Paleontology. Chicago: University of Chicago Press. p. 468. 
  6. ^ Alcober, O. (2000). "Redescription of the skull of Saurosuchus galilei (Archosauria: Rauisuchidae)". Journal of Vertebrate Paleontology. 20 (2): 302–316. doi:10.1671/0272-4634(2000)020[0302:ROTSOS]2.0.CO;2. 
  7. ^ Charig, A. J.; Attridge, J.; Crompton, A. W. (1965). "On the origin of the sauropods and the classification of the Saurischia". Proceedings of the Linnean Society of London. 176: 197–221. doi:10.1111/j.1095-8312.1965.tb00944.x. 
  8. ^ Bonaparte, J. F. (1976). "Pisanosaurus mertii Casamiquela and the origin of the Ornithischia". Journal of Paleontology. 50 (5): 808–820. 
  9. ^ Parrish, J. M. (1993). "Phylogeny of the Crocodylotarsi, with reference to archosaurian and crurotarsan monophyly". Journal of Vertebrate Paleontology. 13 (3): 287–308. doi:10.1080/02724634.1993.10011511. 
  10. ^ Stefanic CM, Nesbitt SJ. (2018) The axial skeleton of Poposaurus langstoni (Pseudosuchia: Poposauroidea) and its implications for accessory intervertebral articulation evolution in pseudosuchian archosaurs. PeerJ 6:e4235