Mastersonia

Mastersonia; Temporal range: 279.5–268 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Suborder:	† Dinocephalia
Genus:	† Mastersonia ; Olson, 1962
Species:	†M. driverensis
Binomial name
	†Mastersonia driverensis; Olson, 1962

Last updated August 01, 2025

Mastersonia is an extinct genus of non-mammalian therapsids from the Lower Permian of San Angelo Formation, Texas.^[1] It is only known from a few, very large vertebrae.^[2]

References

1 2 "Fossilworks: Mastersonia".
↑ Olson, Everett C. (1962). "Late Permian Terrestrial Vertebrates, U. S. A. and U. S. S. R.". Transactions of the American Philosophical Society. 52 (2): 1–224.

The main groups of non-mammalian synapsids at Mikko's Phylogeny Archive

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[fossilworks-1] 1 2 "Fossilworks: Mastersonia".

[2] Olson, Everett C. (1962). "Late Permian Terrestrial Vertebrates, U. S. A. and U. S. S. R.". Transactions of the American Philosophical Society. 52 (2): 1–224.

[1]

[2]

Mastersonia

See also

References