# Mystriosuchini

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Extinct tribe of reptiles

Mystriosuchini Temporal range: Late Triassic 228–201.4 Ma PreꞒ Ꞓ O S D C P T J K Pg N Skull of Machaeroprosopus mccauleyi Scientific classification Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: †Phytosauria Family: †Parasuchidae Subfamily: †Mystriosuchinae Clade: †Leptosuchomorpha Tribe: †Mystriosuchini Genera †Angistorhinopsis †Coburgosuchus †Machaeroprosopus †Mystriosuchus †Nicrosaurus †Redondasaurus Synonyms Mystriosuchidae Huene, 1915 Pseudopalatinae Long and Murry, 1995

**Mystriosuchini**, historically known as **Pseudopalatinae**, is an extinct [tribe](/source/Family_(taxonomy)) (formerly subfamily) of derived [phytosaurs](/source/Phytosaur) in the clade Leptosuchomorpha. As with all other phytosaurs, mystriosuchins lived during [Late Triassic](/source/Late_Triassic). The name is derived from the genus *[Mystriosuchus](/source/Mystriosuchus)*, and the clade was phylogenetically defined by Andrew S. Jones and Richard J. Butler in 2018 as the last common ancestor and all descendants of *[Mystriosuchus planirostris](/source/Mystriosuchus)*, *[Machaeroprosopus jablonskiae](/source/Machaeroprosopus)*, and *[Machaeroprosopus buceros](/source/Machaeroprosopus)*.[1]

Genera classified in Mystriosuchini include *[Coburgosuchus](/source/Coburgosuchus)*, *[Machaeroprosopus](/source/Machaeroprosopus)*, *[Mystriosuchus](/source/Mystriosuchus)*, *[Nicrosaurus](/source/Nicrosaurus)* and *[Redondasaurus](/source/Redondasaurus)*.[2][3] It includes the most ecologically divergent phytosaurs, the terrestrial *[Nicrosaurus](/source/Nicrosaurus)*[4] and the fully aquatic *[Mystriosuchus](/source/Mystriosuchus)*.[5]

## Phylogeny

Below is a [cladogram](/source/Cladogram) from Stocker (2012):[6]

Phytosauria Wannia scurriensis Paleorhinus bransoni "Paleorhinus" sawini Mystriosuchinae Brachysuchus megalodon Angistorhinus Rutiodon carolinensis "Machaeroprosopus" zunii Protome batalaria Leptosuchomorpha "Phytosaurus" doughtyi TMM 31173-120 Leptosuchus crosbiensis Leptosuchus studeri Smilosuchus lithodendrorum Smilosuchus adamanensis Smilosuchus gregorii Pravusuchus hortus Mystriosuchini Machaeroprosopus mccauleyi Mystriosuchus westphali Machaeroprosopus pristinus

## References

1. **[^](#cite_ref-1)** Jones, Andrew S.; Butler, Richard J. (10 December 2018). ["A new phylogenetic analysis of Phytosauria (Archosauria: Pseudosuchia) with the application of continuous and geometric morphometric character coding"](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6292387). *PeerJ*. **6** e5901. [doi](/source/Doi_(identifier)):[10.7717/peerj.5901](https://doi.org/10.7717%2Fpeerj.5901). [PMC](/source/PMC_(identifier)) [6292387](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6292387). [PMID](/source/PMID_(identifier)) [30581656](https://pubmed.ncbi.nlm.nih.gov/30581656).

1. **[^](#cite_ref-Hungerbühler,_2002_2-0)** Hungerbühler A. 2002. The Late Triassic phytosaur *Mystriosuchus westphali*, with a revision of the genus. *Palaeontology* **45** (2): 377-418

1. **[^](#cite_ref-3)** Kammerer, C. F., Butler, R. J., Bandyopadhyay, S., Stocker, M. R. (2016), Relationships of the Indian phytosaur Parasuchus hislopi Lydekker, 1885. Papers in Palaeontology, 2: 1–23. doi: 10.1002/spp2.1022

1. **[^](#cite_ref-4)** Kimmig, J. 2013. Possible secondarily terrestrial lifestyle in the European phytosaur Nicrosaurus kapfii (Late Triassic, Norian): a preliminary study. Bulletin of the New Mexico Museum of Natural History and Science 61, 306-312.

1. **[^](#cite_ref-5)** Gozzi, E. & Renesto, S.A. 2003. Complete specimen of Mystriosuchus (Reptilia, Phytosauria) from the Norian (Late Triassic) of Lombardy (Northern Italy). Rivista Italiana Di Paleontologia e Stratigrafia 109(3): 475-498.

1. **[^](#cite_ref-SMR12_6-0)** Stocker, M. R. (2012). "A new phytosaur (Archosauriformes, Phytosauria) from the Lot's Wife beds (Sonsela Member) within the Chinle Formation (Upper Triassic) of Petrified Forest National Park, Arizona". *Journal of Vertebrate Paleontology*. **32** (3): 573–586. [doi](/source/Doi_(identifier)):[10.1080/02724634.2012.649815](https://doi.org/10.1080%2F02724634.2012.649815).

- [Paleontology portal](https://en.wikipedia.org/wiki/Portal:Paleontology)

v t e Phytosauria Kingdom: Animalia Phylum: Chordata Class: Sauropsida Clade: Archosauromorpha Clade: Crurotarsi Sauropsida see Sauropsida Archosauromorpha see Archosauromorpha Phytosauria see below↓ Phytosauria Phytosauria Calamosuchus Diandongosuchus Heteropelta? Parasuchidae Arganarhinus Ebrachosuchus Paleorhinus Parasuchus Wannia Mystriosuchinae / Phytosauridae Angistorhinus Brachysuchus Colossosuchus Jupijkam Protome Rutiodon Volcanosuchus Leptosuchomorpha Leptosuchus Pravusuchus Smilosuchus Mystriosuchini Angistorhinopsis Machaeroprosopus Mystriosuchus Nicrosaurus Redondasaurus Nomina dubia Belodon Centemodon Clepsysaurus? Coburgosuchus Compsosaurus Francosuchus Heterodontosuchus Mesorhinosuchus Omosaurus? Palaeoctonus? Phytosaurus Rileyasuchus Suchoprion Termatosaurus? Category

Taxon identifiers Mystriosuchini Wikidata: Q36042093 Paleobiology Database: 347592

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Adapted from the Wikipedia article [Mystriosuchini](https://en.wikipedia.org/wiki/Mystriosuchini) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mystriosuchini?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.