Mystriosuchini

Mystriosuchini is an extinct tribe of derived phytosaurs in the clade Leptosuchomorpha. As with all other phytosaurs, mystriosuchins lived during Late Triassic. The name is derived from the genus Mystriosuchus.

Mystriosuchini
Temporal range: Late Triassic
Skull of Machaeroprosopus mccauleyi
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Sauropsida
Infraclass:
Archosauromorpha
(unranked):
Crurotarsi
Order:
Phytosauria
Family:
Parasuchidae
Subfamily:
Mystriosuchinae
(unranked):
Leptosuchomorpha
Tribe:
Mystriosuchini
Genera
Synonyms
  • Mystriosuchinae Huene, 1915
  • Mystriosuchidae Huene, 1915
  • Pseudopalatinae Long and Murry, 1995

Genera classified in Mystriosuchini include Coburgosuchus, Machaeroprosopus, Mystriosuchus, Nicrosaurus and Redondasaurus.[1][2] It includes the most ecologically divergent phytosaurs, the terrestrial Nicrosaurus[3] and the fully aquatic Mystriosuchus.[4]

Phylogeny

Below is a cladogram from Stocker (2012):[5]

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

 
 
 
 
 
 
 
 
 
 
 
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References
  1. Hungerbühler A. 2002. The Late Triassic phytosaur Mystriosuchus westphali, with a revision of the genus. Palaeontology 45 (2): 377-418
  2. 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
  3. 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.
  4. 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.
  5. 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:10.1080/02724634.2012.649815.
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