Leptosuchomorpha

Leptosuchomorpha is a clade of phytosaurs. It is a node-based taxon defined as the last common ancestor of Leptosuchus studeri and Pseudopalatus pristinus and all of its descendants.[1]

Leptosuchomorpha
Temporal range: Late Triassic
Skull of Smilosuchus gregorii in the American Museum of Natural History
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: †Phytosauria
Family: †Phytosauridae
Node: †Leptosuchomorpha
Stocker, 2010
Subgroups

Phylogeny

Below is a cladogram from Stocker (2012):[1]

Phytosauria 
 

"Paleorhinus" scurriensis

 
 
 

Paleorhinus bransoni

 
 
 

"Paleorhinus" sawini

 
Phytosauridae
 

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

 
Pseudopalatinae
 

Pseudopalatus mccauleyi

 
 
 

Mystriosuchus westphali

 
 

Pseudopalatus pristinus

 
 
 
 
 
 
 
 
 
 
 
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References
  1. 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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