Pantestudines

Pantestudines
Temporal range: Late Triassic - Holocene, 220–0Ma
Fossil specimen of Odontochelys semitestacea
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archelosauria
Clade: Pantestudines
Klein, 1760
Subgroups

Pantestudines is the group of all tetrapods more closely related to turtles than to any other animals. It includes both modern turtles (Testudines) and all of their extinct relatives (stem-turtles).[1]

Classification

The cladogram shown below follows the most likely result found by an analysis of turtle relationships using both fossil and genetic evidence by M.S. Lee, in 2013.[2]



Lepidosauromorpha


 Archosauromorpha  (=Archelosauria)


Choristodera





Trilophosaurus



Rhynchosauria




Archosauriformes




 Pantestudines 

Eosauropterygia




Placodontia




Sinosaurosphargis




Odontochelys


 Testudinata 

Proganochelys



Testudines









References

  1. Joyce, W. G., Parham, J. F., & Gauthier, J. A. (2004). "Developing a protocol for the conversion of rank-based taxon names to phylogenetically defined clade names, as exemplified by turtles." Journal of Paleontology, 78(5): 989-1013.
  2. Lee, M. S. Y. (2013). "Turtle origins: Insights from phylogenetic retrofitting and molecular scaffolds". Journal of Evolutionary Biology 26 (12): 2729. doi:10.1111/jeb.12268.